Who owns the KEYSTONE trademark?

The KEYSTONE trademark is owned by Sil4 Systems, Inc..

What class is the KEYSTONE trademark registered in?

The KEYSTONE trademark is registered in Class 009 (Electronics, software & scientific instruments).

What is the serial number for KEYSTONE?

The USPTO serial number for KEYSTONE is 87735500.

What is the registration number for KEYSTONE?

KEYSTONE is registered under USPTO registration number 5534740.

KEY

USPTO Trademark Record

REGISTERED

KEYSTONE

SN 87735500·Reg 5534740·Filed Dec 27, 2017

Owner Sil4 Systems, Inc.

Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, signalling, detecting, testing, inspecting, life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling the distribution or use of electricity; apparatus and instruments for recording, transmitting, reproducing or processing sound, images or data; recorded and downloadable multimedia files, computer software, blank digital or analogue recording and storage media; mechanisms for coin-operated apparatus; cash registers, calculating devices; computers and computer peripheral devices; diving suits, divers' masks, ear plugs for divers, nose clips for divers, gloves for divers, breathing apparatus for underwater swimming; fire-extinguishing apparatus.

KEYSTONE (Serial No. 87735500), Registration No. 5534740, is a registered US trademark filed on Dec 27, 2017 by Sil4 Systems, Inc.. This trademark covers Class 009 (Electronics, software & scientific instruments).

Section 8/9 declaration window: August 07, 2028

Mark Intelligence

KEYSTONE (Reg. #5534740) is a registered US trademark that has been protecting its owner, Sil4 Systems, Inc., since 2017. The mark covers Class 009 (Electronics, software & scientific instruments). Goods and services include Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, s.... The mark faced 1 opposition proceeding during prosecution.

FILED

Dec 27, 2017

SERIAL

87735500

REG#

5534740

REGISTERED

Aug 07, 2018

Owner

Applicant

Sil4 Systems, Inc.

Entity

Corporation

State

Address

Floor 2, 669 Washington Avenue, Pittsburgh, PA, 15228

Country

Attorney

NameSteve Zoffer

Law firm

Steve Zoffer Dickie McCamey & Chilcote

Address

Two PPG Place, Suite 400, PITTSBURGH, PA 15222, United States

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Filing Information

StatusREGISTERED

Filing DateDec 27, 2017

Serial Number87735500

Registration No.5534740

Registration DateAug 07, 2018

Status DateJun 04, 2025

Published for OppositionMay 22, 2018

Next RenewalAugust 07, 2028

Mark TypeStandard characters

Status DescriptionLive and registered, Section 8 accepted

Filing Signals

FILED

2017

YEARS AGO

CLASSES

MADRID FILINGS

—

Opposed 1× during prosecution

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Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 009Electronics, software & scientific instruments

US codes: 021, 023, 026, 036, 038

First use anywhere: Nov 10, 2017

First use in commerce: Nov 10, 2017

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

Status History

12 events

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jun 04, 2025

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

REGISTERED - SEC. 8 (6-YR) ACCEPTED

Jun 04, 2025

REGISTERED - SEC. 8 (6-YR) ACCEPTED

NOTICE OF ACCEPTANCE OF SEC. 8 - E-MAILED

Jun 04, 2025

NOTICE OF ACCEPTANCE OF SEC. 8 - E-MAILED

TEAS SECTION 8 RECEIVED

Feb 06, 2025

TEAS SECTION 8 RECEIVED

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

Aug 07, 2023

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

REGISTERED-PRINCIPAL REGISTER

Aug 07, 2018

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

May 22, 2018

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

May 22, 2018

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

May 02, 2018

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Apr 19, 2018

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Apr 07, 2018

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jan 12, 2018

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

KEYSTONE

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