Who owns the FLATLINER trademark?

The FLATLINER trademark is owned by KEYSTONE ENGINEERING & MFG, LLC.

What class is the FLATLINER trademark registered in?

The FLATLINER trademark is registered in Class 007 (Machines, machine tools & power-operated tools).

What is the serial number for FLATLINER?

The USPTO serial number for FLATLINER is 85741419.

What is the registration number for FLATLINER?

FLATLINER is registered under USPTO registration number 4338650.

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FLA

USPTO Trademark Record

REGISTERED

FLATLINER

SN 85741419·Reg 4338650·Filed Sep 28, 2012

Owner KEYSTONE ENGINEERING & MFG, LLC

Machines, machine tools, power-operated tools; motors and engines, except for land vehicles; machine coupling and transmission components, except for land vehicles; agricultural implements, other than hand-operated hand tools; incubators for eggs; automatic vending machines.

FLATLINER (Serial No. 85741419), Registration No. 4338650, is a registered US trademark filed on Sep 28, 2012 by KEYSTONE ENGINEERING & MFG, LLC. This trademark covers Class 007 (Machines, machine tools & power-operated tools).

Section 8/9 declaration window: May 23, 2033

Conflict Analysis

Full conflict analysis for FLATLINER (SN 85741419) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

FLATLINER (Reg. #4338650) is a registered US trademark that has been protecting its owner, KEYSTONE ENGINEERING & MFG, LLC, since 2012. The mark covers Class 007 (Machines, machine tools & power-operated tools). Goods and services include Machines, machine tools, power-operated tools; motors and engines, except for land vehicles; machine coupling and transm.... The mark faced 1 opposition proceeding during prosecution.

FILED

Sep 28, 2012

SERIAL

85741419

REG#

4338650

REGISTERED

May 21, 2013

Filing Information

StatusREGISTERED

Filing DateSep 28, 2012

Serial Number85741419

Registration No.4338650

Registration DateMay 21, 2013

Status DateFeb 23, 2023

Published for OppositionMar 05, 2013

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application CurrentlySection 8 AcceptedSection 15 AcknowledgedTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 007Machines, machine tools & power-operated tools

US codes: 013, 019, 021, 023, 031, 034, 035

First use anywhere: Jun 30, 2011

First use in commerce: Aug 31, 2012

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

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Status History

20 events

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Mar 19, 2025

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Feb 23, 2023

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

Feb 23, 2023

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Feb 23, 2023

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

Feb 23, 2023

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

TEAS SECTION 8 & 9 RECEIVED

Aug 04, 2022

TEAS SECTION 8 & 9 RECEIVED

COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED

May 21, 2022

COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jun 03, 2019

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.

Jun 03, 2019

REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.

NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED

Jun 03, 2019

NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED

TEAS SECTION 8 & 15 RECEIVED

Apr 19, 2019

TEAS SECTION 8 & 15 RECEIVED

COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED

May 21, 2018

COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED

REGISTERED-PRINCIPAL REGISTER

May 21, 2013

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Mar 05, 2013

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Mar 05, 2013

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Feb 13, 2013

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

ASSIGNED TO EXAMINER

Jan 28, 2013

ASSIGNED TO EXAMINER

APPROVED FOR PUB - PRINCIPAL REGISTER

Jan 28, 2013

APPROVED FOR PUB - PRINCIPAL REGISTER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Oct 04, 2012

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Oct 02, 2012

NEW APPLICATION ENTERED

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