Trademark search for:

HYDROHONE

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

1937-11-08 — Application filed
1978-04-26 — Registered and renewed (second renewal - 20 yrs)
1999-02-02 — Expired sec. 9
1999-02-02 — Final status recorded

Owner Information

EX}CELL}O CORPORATION
TROY MICHIGAN

MICROMATIC HONE CORPORATION
DETROIT , MI

Filing Details

Filing Date:
1937-11-08

Status Date:
1999-02-02

Category:
Machines

Filing Year:
1937

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