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TRICHELOCK

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

1967-07-25 — Application filed
1988-02-25 — Registered - sec. 9 filed/check record for sec. 8
1988-08-20 — Registered and renewed (first renewal - 20 yrs)
2008-11-10 — Case file in ticrs
2009-05-16 — Cancelled sec. 8 (10-yr)/expired section 9
2009-05-16 — Final status recorded

Owner Information

CALGON CORPORATION
PITTSBURGH , PA

Correspondent

IRVING N STEIN MERCK & CO INC
P O BOX 2000
RAHWAY, NJ 07065-0900
UNITED STATES

Filing Details

Filing Date:
1967-07-25

Status Date:
2009-05-16

Category:
Chemicals

Filing Year:
1967

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