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Duolin Trademarks
DUOLIN
Pharmaceutical and medicinal preparation for the treatment of respiratory diseases
Cancelled
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December 13, 2012
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85802098
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DUOLIN PARTS
Land vehicle suspension parts, namely, coil springs; License plate frames; Metal locking device for trailer hitch couplers; Motor homes and structural vehicle parts therefor; Rearview mirrors for automobiles; Vehicle power train mechanism comprised of clutch, transmission, drive shaft, and differential
Pending
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June 3, 2023
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98026310
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DUOLINE
Fastening elements of metal, in particular pegs, studs, anchors, anchor bolts, threaded rods, screw nuts, hooks, profiles, nails; screws, rivets, washers for hardware, all the aforesaid goods of metal
Registered
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July 18, 2017
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87532237
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DUOLINE
Measuring apparatus for vacuum devices and vacuum components not in the field of measurement technology for cereals and seeds and sampling technology for quality control of cereals and seeds, namely, pressure measuring apparatus, leak detectors for vacuum pumps and vacuum chambers; and electrical ducts, namely, electricity ducts
Registered
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October 11, 2016
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79203036
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DUOLINE
Apparatus, instruments and systems comprised of electronic sensors and electric cabinets sold as a unit for measuring of bulk agricultural materials for one or more of the following, measurement, transmission, control storage, evaluation of temperature, material moisture content, atmospheric humidity, filling level, aeration, damage and disease; measuring instruments and data collecting apparatus for a plurality of temperature values not for medical use; computer programs stored in data media...
Registered
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April 3, 2009
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79069093
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DUOLINE
PLASTIC LINED METAL PIPE
Registered
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September 16, 1985
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73558506
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DUOLINE
PIPE LINING SERVICES
Registered
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May 27, 1966
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72246811
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DUOLINGDAI
Cosmetics; Artificial fingernails; Cosmetic preparations; Cosmetic preparations for bath and shower; Cosmetic preparations for baths; Fingernail decals; Nail care preparations; Nail enamel removers; Nail enamels; Nail polish remover
Pending
·
May 13, 2024
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98548561
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DUOLINGO
Stuffed and plush toys
Registered
·
September 3, 2020
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90157386
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DUOLINGO
All purpose carrying bags, tote bags, backpacks
Abandoned
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September 3, 2020
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90157382
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DUOLINGO
Stickers
Registered
·
September 3, 2020
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90157377
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DUOLINGO
Sunglasses
Abandoned
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September 3, 2020
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90157365
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DUOLINGO
education services, namely, providing language proficiency testing and assessment services
Registered
·
July 14, 2020
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90052187
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DUOLINGO
Software as a service (SAAS) services featuring software for learning foreign languages; Providing a website featuring non-downloadable software for learning foreign languages
Registered
·
December 6, 2019
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88718539
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DUOLINGO
Clothing, namely, shirts, hoodies, sweatshirts, jackets, knit face masks being headwear; headwear
Registered
·
December 6, 2019
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88718536
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DUOLINGO
Lapel pins; Decorative pins, namely, ornamental lapel pins, ornamental novelty pins
Registered
·
December 6, 2019
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88718531
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DUOLINGO
language instruction; providing online classes for learning foreign languages; online journals, namely, blogs in the field of language instruction; translation services for others
Registered
·
January 21, 2014
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86171435
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DUOLINGO ABC
Software as a service (SAAS) services featuring software for literacy development and education; Providing a website featuring non-downloadable software for literacy development and education through games, stories and personalized lessons; providing on-line non-downloadable software for educational use, namely, software for developing reading skills
Pending
·
May 2, 2023
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97917228
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DUOLINGO ABC
Educational services, namely, providing online interactive instruction in the field of literacy
Pending
·
May 2, 2023
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97917223
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DUOLINGO ABC
Downloadable software for literacy development and education; downloadable mobile application software for literacy development and education
Pending
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May 2, 2023
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97917219
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DUOLINK
Pharmaceutical products, medical and veterinary preparations; medical hygiene products; foodstuffs and dietetic substances for medical or veterinary use
Pending
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January 26, 2024
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79393573
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DUOLINK
Chemical kit for analysis of protein interactions for laboratory research or industrial use
Registered
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February 11, 2020
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88792534
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DUOLINK
Clinical medical diagnostic reagents; medical diagnostic reagents and reagent bearing test strips for use in the field of genetic mutation; diagnostic agents, preparations, substances for medical and veterinary purposes and use; medical diagnostic reagents and assays for testing of body fluids; in vitro diagnostic preparations for medical and veterinary purposes and use; medical diagnostic reagents and assays for testing of body fluids; diagnostic preparations for medical purposes for detecti...
Abandoned
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March 29, 2012
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85583649
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DUOLINK
Telecommunication equipment and telecommunication software; telephone headsets and accessories therefor; microphone sets; ear hooks; telephone base stations consisting of a transceiver and a charger; travel chargers; software for telecommunications; software for handling communication between wireless headsets and telephone base stations
Abandoned
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January 7, 2004
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78348793
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DUOLINK
Chemical kit for analysis of protein interactions for laboratory, research or industrial use
Cancelled
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February 12, 2007
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77105658
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DUOLINK
Providing fixed and mobile satellite communication services; providing voice, data, streaming audio and video, e-mail, and download of large file transmission via satellite; providing multiple-user access to a global computer information network via satellite
Abandoned
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September 17, 2004
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76612697
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DUOLINK
FLOORING SYSTEM COMPRISING GLUELESS INTERLOCKING LAMINATE FLOORING PANELS
Cancelled
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July 19, 2001
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76287739
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DUOLINK
metal channels; namely, trays, raceways, conduits, and tubes, for holding electrical wires and cables within buildings
Cancelled
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September 30, 1991
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74208350
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DUOLINK GO
Audio headphones; Computer keyboards; Computer mice; Loud speakers; Music headphones; Noise cancelling headphones; Wireless chargers; Wireless ear buds; Wireless speakers; Wireless transmitters and receivers; MP3 players
Registered
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February 25, 2020
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88809444
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