Trademark search for:

PYROROCK

EXPIRED USPTO USPTO

No active United States Patent and Trademark Office (USPTO) registrations found, based on publicly available USPTO trademark records.

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USPTO Filing History

Key events recorded for this trademark application

1979-03-23 — Application filed
1980-12-09 — Registered-principal register
1987-04-23 — Cancelled sec. 8 (6-yr)
1987-04-23 — Final status recorded

Owner Information

UNITED STATES GYPSUM COMPANY
CHICAGO , IL

United States Gypsum Company
Chicago , IL

Correspondent

KENNETH E ROBERTS C/O UNITED STATES GYPSUM COMPANY
101 S WACKER DR
CHICAGO, IL 60606
UNITED STATES

Filing Details

Filing Date:
1979-03-23

Status Date:
1987-04-23

Category:
Non-metal Building Materials

Filing Year:
1979

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