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PORTA-PEAK

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

1979-09-13 — Application filed
1981-06-16 — Published for opposition
1981-09-08 — Registered-principal register
1986-11-07 — Miscellaneous paper
1986-12-12 — Registered - sec. 8 (6-yr) & sec. 15 filed
1986-12-12 — Registered - sec. 8 (6-yr) & sec. 15 filed
1987-05-04 — Registered - sec. 8 (6-yr) accepted & sec. 15 ack.
2002-07-20 — Cancelled sec. 8 (10-yr)/expired section 9
2002-07-20 — Final status recorded

Owner Information

HELM INSTRUMENT COMPANY, INC.
TOLEDO , OH

Correspondent

MARSHALL AND MELHORN
FOUR SEAGATE, 8TH FL
TOLEDO, OH 43604
UNITED STATES

Filing Details

Filing Date:
1979-09-13

Status Date:
2002-07-20

Category:
Electronics & Software

Filing Year:
1979

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