Who owns the GRINDSTONE trademark?

The GRINDSTONE trademark is owned by Duluth Holdings Inc..

What class is the GRINDSTONE trademark registered in?

The GRINDSTONE trademark is registered in Class 025 (Clothing, footwear & headgear).

What is the serial number for GRINDSTONE?

The USPTO serial number for GRINDSTONE is 86799504.

What is the registration number for GRINDSTONE?

GRINDSTONE is registered under USPTO registration number 5230326.

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Updated Nov 8, 2026·40 searches this week

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Section 8 & 9 renewal window

June 28, 2027

231 days remaining

GRI

GRINDSTONE

REGISTERED

Serial: 86799504
Reg: 5230326
Filed: Oct 26, 2015
Owner: Duluth Holdings Inc.

Clothing, footwear, headwear.

What to file next

Section 9 renewal, filed with a Section 8 declaration

When: Due between the ninth and tenth anniversary of registration, then before each tenth anniversary after that.
Extensions and grace: A six-month grace period follows, with an added per-class fee.
If it is missed: A missed renewal cancels the registration, and there is no revival route for it.

How Section 9 renewal works

General information about USPTO practice, not legal advice. The register is the authority, and a filing that has not yet posted can change what is owed.

Full Goods & Services

Class 025Clothing, footwear & headgear

US codes: 022, 039

First use anywhere: Oct 26, 2015

First use in commerce: Oct 26, 2015

Clothing, footwear, headwear.

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

Status History

32 events

TEAS SECTION 8 & 9 RECEIVED

Sep 09, 2026

Code E89R

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

Jun 27, 2026

Code REM2

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

Nov 03, 2023

Code C15A

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

Nov 03, 2023

Code NA85

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Oct 31, 2023

Code APRE

TEAS SECTION 8 & 15 RECEIVED

May 02, 2023

Code E815

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

Jun 27, 2022

Code REM1

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

May 26, 2021

Code ASCK

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Feb 13, 2020

Code COAR

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Feb 13, 2020

Code CHAN

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Sep 18, 2019

Code COAR

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Sep 18, 2019

Code CHAN

REGISTERED-PRINCIPAL REGISTER

Jun 27, 2017

Code R.PR

OPPOSITION DISMISSED NO. 999999

May 23, 2017

Code OP.D

OPPOSITION TERMINATED NO. 999999

May 23, 2017

Code OP.T

TTAB RELEASE CASE TO TRADEMARKS

May 23, 2017

Code TMBN

OPPOSITION PAPERS RECEIVED AT TTAB

Aug 17, 2016

Code OPPF

OPPOSITION INSTITUTED NO. 999999

Aug 17, 2016

Code OP.I

PUBLISHED FOR OPPOSITION

Jul 19, 2016

Code PUBO

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jul 19, 2016

Code NPUB

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jun 29, 2016

Code NONP

APPROVED FOR PUB - PRINCIPAL REGISTER

Jun 13, 2016

Code CNSA

TEAS/EMAIL CORRESPONDENCE ENTERED

Jun 08, 2016

Code TEME

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Jun 07, 2016

Code TROA

CORRESPONDENCE RECEIVED IN LAW OFFICE

Jun 07, 2016

Code CRFA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Mar 10, 2016

Code TCCA

NON-FINAL ACTION WRITTEN

Dec 15, 2015

Code CNRT

NON-FINAL ACTION E-MAILED

Dec 15, 2015

Code GNRT

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Dec 15, 2015

Code GNRN

ASSIGNED TO EXAMINER

Dec 14, 2015

Code DOCK

NEW APPLICATION ENTERED

Oct 29, 2015

Code NWAP

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Oct 29, 2015

Code NWOS

GRINDSTONE

What to file next

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