Who owns the KEENSTONE trademark?

The KEENSTONE trademark is owned by Keenstone corp.

What class is the KEENSTONE trademark registered in?

The KEENSTONE trademark is registered in Class 011 (Lighting, heating, cooling & sanitary apparatus).

What is the serial number for KEENSTONE?

The USPTO serial number for KEENSTONE is 99010143.

What is the registration number for KEENSTONE?

KEENSTONE is registered under USPTO registration number 7960139.

Sealvo

Home Search: KEENSTONEKEENSTONE #99010143

Back

Updated Oct 1, 2026·32 searches this week

View on USPTO TSDR Find similar marks

KEE

USPTO Trademark Record

REGISTERED

KEENSTONE

SN 99010143·Reg 7960139·Filed Jan 17, 2025

Owner Keenstone corp

Apparatus and installations for lighting, heating, cooling, steam generating, cooking, drying, ventilating, water supply and sanitary purposes.

KEENSTONE (Serial No. 99010143), Registration No. 7960139, is a registered US trademark filed on Jan 17, 2025 by Keenstone corp. This trademark covers Class 011 (Lighting, heating, cooling & sanitary apparatus).

early section 8: September 23, 2031

Conflict Analysis

Full conflict analysis for KEENSTONE (SN 99010143) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

KEENSTONE (Reg. #7960139) is a registered US trademark that has been protecting its owner, Keenstone corp, since 2025. The mark covers Class 011 (Lighting, heating, cooling & sanitary apparatus). Goods and services include Apparatus and installations for lighting, heating, cooling, steam generating, cooking, drying, ventilating, water supply.... The mark faced 1 opposition proceeding during prosecution.

FILED

Jan 17, 2025

SERIAL

99010143

REG#

7960139

REGISTERED

Sep 23, 2025

Filing Information

StatusREGISTERED

Filing DateJan 17, 2025

Serial Number99010143