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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

1975-12-29 — Application filed
1981-12-07 — Registered - sec. 8 (6-yr) accepted & sec. 15 ack.
1997-05-19 — Expired sec. 9
1997-05-19 — Final status recorded

Owner Information

UNITRODE CORPORATION
WATERTOWN , MA

Filing Details

Filing Date:
1975-12-29

Status Date:
1997-05-19

Category:
Electronics & Software

Filing Year:
1975

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