Who owns the STK trademark?

The STK trademark is owned by MAS HVAC, LLC.

What class is the STK trademark registered in?

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

What is the serial number for STK?

The USPTO serial number for STK is 99199909.

What is the registration number for STK?

STK is registered under USPTO registration number 0.

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Updated Oct 21, 2026·38 searches this week

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STK

USPTO Trademark Record

PENDING

STK

SN 99199909·Reg 0·Filed May 23, 2025

Owner MAS HVAC, LLC

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

STK (Serial No. 99199909), Registration No. 0, is a pending US trademark filed on May 23, 2025 by MAS HVAC, LLC. This trademark covers Class 011 (Lighting, heating, cooling & sanitary apparatus).

Statement of Use due: January 06, 202777 days remaining

Mark Intelligence

STK (Reg. #0) is a pending US trademark that was filed in 2025 and is currently under USPTO examination. 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

May 23, 2025

SERIAL

99199909

REG#

Filing Information

StatusPENDING

Filing DateMay 23, 2025

Serial Number99199909

Registration No.0

Status DateJun 29, 2026

Published for OppositionNov 11, 2025

Mark TypeStandard characters

Filing Basis & Declarations

Standard Characters ClaimedTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 011Lighting, heating, cooling & sanitary apparatus

US codes: 013, 021, 023, 024, 031, 034

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

This description is as filed with the USPTO and defines the scope of trademark protection.

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Status History

15 events

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Sep 24, 2026

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Jun 30, 2026

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

SOU TEAS EXTENSION RECEIVED

Jun 29, 2026

SOU TEAS EXTENSION RECEIVED

SOU EXTENSION 1 FILED

Jun 29, 2026

SOU EXTENSION 1 FILED

SOU EXTENSION 1 GRANTED

Jun 29, 2026

SOU EXTENSION 1 GRANTED

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Jun 24, 2026

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Jan 06, 2026

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

PUBLISHED FOR OPPOSITION

Nov 11, 2025

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Nov 11, 2025

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Nov 05, 2025

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

ASSIGNED TO EXAMINER

Oct 10, 2025

ASSIGNED TO EXAMINER

APPROVED FOR PUB - PRINCIPAL REGISTER

Oct 10, 2025

APPROVED FOR PUB - PRINCIPAL REGISTER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Sep 30, 2025

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

May 23, 2025

NEW APPLICATION ENTERED

APPLICATION FILING RECEIPT MAILED

May 23, 2025

APPLICATION FILING RECEIPT MAILED

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