KEYSTONE THERMAL Trademark
Serial Number: 99386007
KEYSTONE THERMAL is a trademark filed by
PENNTROLEUM LLC
on September 10, 2025. The trademark is classified under Class 1 (Chemicals).
The application is currently pending registration.
Trademark Classes
Owner Contact Info
Legal Representation
Correspondence Address
Adam J. Fromm Clark Hill PLC
130 E. Randolph Street, Suite 3900
Chicago, IL 60601
United States
Trademark Details
Filing Date
September 10, 2025
Registration Date
Not Registered
Published for Opposition
February 24, 2026
Goods & Services
heat transfer fluids for machinery and equipment
Filing History
NOA E-MAILED - SOU REQUIRED FROM APPLICANT
Apr 21, 2026 NOAM
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
Feb 24, 2026 NPUB
PUBLISHED FOR OPPOSITION
Feb 24, 2026 PUBO
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
Feb 18, 2026 NONP
APPROVED FOR PUB - PRINCIPAL REGISTER
Jan 29, 2026 CNSA
EXAMINER'S AMENDMENT ENTERED
Jan 29, 2026 XAEC
NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED
Jan 29, 2026 GNEN
EXAMINERS AMENDMENT E-MAILED
Jan 29, 2026 GNEA
EXAMINERS AMENDMENT -WRITTEN
Jan 29, 2026 CNEA
ASSIGNED TO EXAMINER
Jan 22, 2026 DOCK
APPLICATION FILING RECEIPT MAILED
Sep 10, 2025 MAFR
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
Sep 10, 2025 NWOS
NEW APPLICATION ENTERED
Sep 10, 2025 NWAP
