X-ENGINE Trademark

Trademark Overview


On Monday, September 16, 2024, a trademark application was filed for X-ENGINE with the United States Patent and Trademark Office. The USPTO has given the X-ENGINE trademark a serial number of 98752516. The federal status of this trademark filing is SUSPENSION LETTER - MAILED as of Tuesday, March 25, 2025. This trademark is owned by LiquidPiston, Inc.. The X-ENGINE trademark is filed in the Machinery Products and Vehicles & Locomotive Products categories with the following description:

aircraft engines; engines, other than for land vehicles; engines for handheld power-tools, lawn and garden handheld devices, and sea vehicles; electric generators

engines for land vehicles
x-engine

General Information


Serial Number98752516
Word MarkX-ENGINE
Filing DateMonday, September 16, 2024
Status653 - SUSPENSION LETTER - MAILED
Status DateTuesday, March 25, 2025
Registration Number0000000
Registration DateNOT AVAILABLE
Mark Drawing4 - Illustration: Drawing with word(s) / letter(s) / number(s) in Block form
Published for Opposition DateNOT AVAILABLE

Trademark Statements


Goods and Servicesaircraft engines; engines, other than for land vehicles; engines for handheld power-tools, lawn and garden handheld devices, and sea vehicles; electric generators
Pseudo MarkX ENGINE
Goods and Servicesengines for land vehicles

Classification Information


International Class007 - Machines and machine tools; motors and engines (except for land vehicles); machine coupling and transmission components (except for land vehicles); agricultural implements other than hand-operated; incubators for eggs.
US Class Codes013, 019, 021, 023, 024, 031, 034, 035
Class Status Code6 - Active
Class Status DateMonday, September 16, 2024
Primary Code007
First Use Anywhere DateNOT AVAILABLE
First Use In Commerce DateNOT AVAILABLE

International Class012 - Vehicles; apparatus for locomotion by land, air, or water.
US Class Codes019, 021, 023, 031, 035, 044
Class Status Code6 - Active
Class Status DateMonday, September 16, 2024
Primary Code012
First Use Anywhere DateNOT AVAILABLE
First Use In Commerce DateNOT AVAILABLE

Trademark Owner History


Party NameLiquidPiston, Inc.
Party Type10 - Original Applicant
Legal Entity Type03 - Corporation
AddressBloomfield, CT 06002

Trademark Events


Event DateEvent Description
Monday, September 16, 2024NEW APPLICATION ENTERED
Sunday, March 23, 2025NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
Monday, March 24, 2025ASSIGNED TO EXAMINER
Tuesday, March 25, 2025LETTER OF SUSPENSION E-MAILED
Tuesday, March 25, 2025SUSPENSION LETTER WRITTEN
Tuesday, March 25, 2025NOTIFICATION OF LETTER OF SUSPENSION E-MAILED