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AMBICHRON

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

1971-10-12 — Application filed
1978-10-30 — Registered - sec. 8 (6-yr) accepted & sec. 15 ack.
1994-02-28 — Expired sec. 9
1994-02-28 — Final status recorded

Owner Information

KOCH, RICHARD F.
LYNBROOK , NY

Filing Details

Filing Date:
1971-10-12

Status Date:
1994-02-28

Category:
Electronics & Software

Filing Year:
1971

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