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OP-HYDRIN

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

1955-07-07 — Application filed
1976-06-05 — Registered and renewed (first renewal - 20 yrs)
1997-03-10 — Expired sec. 9
1997-03-10 — Final status recorded

Owner Information

BROEMMEL PHARMACEUTICALS
SAN FRANCISCO , CA

Filing Details

Filing Date:
1955-07-07

Status Date:
1997-03-10

Category:
Pharmaceuticals

Filing Year:
1955

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