TrademarkDir
KEYSTONE
LIVE

Serial Number

87735500

Owner

Sil4 Systems, Inc.

Attorney

Steve Zoffer

First Use Date

Nov 10, 2017

Filing Date

Dec 27, 2017

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KEYSTONE Trademark

Serial Number: 87735500 • Registration: 5534740

KEYSTONE is a trademark filed by Sil4 Systems, Inc. on December 27, 2017. The trademark is classified under Class 9 (Computers & Electronics). The application is currently registered and active.

Owner Contact Info

Sil4 Systems, Inc.

Floor 2
Pittsburgh, PA 15228

Entity Type: 03

Trademark Details

Filing Date

December 27, 2017

Registration Date

August 7, 2018

First Use Anywhere

November 10, 2017

First Use in Commerce

November 10, 2017

Published for Opposition

May 22, 2018

Goods & Services

Crash hardened memory module

Filing History

NOTICE OF ACCEPTANCE OF SEC. 8 - E-MAILED
Jun 4, 2025 NAS8
REGISTERED - SEC. 8 (6-YR) ACCEPTED
Jun 4, 2025 8.OK
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
Jun 4, 2025 APRE
TEAS SECTION 8 RECEIVED
Feb 6, 2025 ES8R
COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED
Aug 7, 2023 REM1
REGISTERED-PRINCIPAL REGISTER
Aug 7, 2018 R.PR
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
May 22, 2018 NPUB
PUBLISHED FOR OPPOSITION
May 22, 2018 PUBO
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
May 2, 2018 NONP
APPROVED FOR PUB - PRINCIPAL REGISTER
Apr 19, 2018 CNSA
ASSIGNED TO EXAMINER
Apr 7, 2018 DOCK
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
Jan 12, 2018 NWOS

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