CARBOHM Trademark

Trademark Overview


On Friday, March 9, 1951, a trademark application was filed for CARBOHM with the United States Patent and Trademark Office. The USPTO has given the CARBOHM trademark a serial number of 71611099. The federal status of this trademark filing is EXPIRED as of Monday, September 6, 1993. This trademark is owned by LEEDS AND NORTHROP COMPANY. The CARBOHM trademark is filed in the Computer & Software Products & Electrical & Scientific Products category with the following description:

PRIMARY ELEMENT FOR USE IN ELECTRICAL MEASURING SYSTEMS OF INDICATING, RECORDING, AND/OR CONTROLLING TYPE, SAID ELEMENT COMPRISING A VARIABLE RESISTANCE ELEMENT WHOSE ELECTRICAL RESISTANCE VARIES WITH VARIATION OF CONSTITUENT POTENTIALS OF WORK-TREATING GASEOUS ATMOSPHERES

General Information


Serial Number71611099
Word MarkCARBOHM
Filing DateFriday, March 9, 1951
Status900 - EXPIRED
Status DateMonday, September 6, 1993
Registration Number0567394
Registration DateTuesday, December 2, 1952
Mark Drawing1000 - Typeset: Word(s) / letter(s) / number(s)
Published for Opposition DateNOT AVAILABLE

Trademark Statements


Goods and ServicesPRIMARY ELEMENT FOR USE IN ELECTRICAL MEASURING SYSTEMS OF INDICATING, RECORDING, AND/OR CONTROLLING TYPE, SAID ELEMENT COMPRISING A VARIABLE RESISTANCE ELEMENT WHOSE ELECTRICAL RESISTANCE VARIES WITH VARIATION OF CONSTITUENT POTENTIALS OF WORK-TREATING GASEOUS ATMOSPHERES

Classification Information


International Class009 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire extinguishing apparatus.
US Class Codes026
Class Status Code9 - Expired
Class Status DateMonday, September 6, 1993
Primary Code026
First Use Anywhere DateSaturday, September 30, 1950
First Use In Commerce DateTuesday, December 5, 1950

Trademark Owner History


Party NameLEEDS AND NORTHROP COMPANY
Party Type30 - Original Registrant
Legal Entity Type03 - Corporation
AddressPHILADELPHIA, PA

Trademark Events


Event DateEvent Description
Monday, September 6, 1993EXPIRED SEC. 9
Saturday, December 2, 1972REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS)