Trademark search for:

PORTAPAK

EXPIRED USPTO USPTO

No active United States Patent and Trademark Office (USPTO) registrations found, based on publicly available USPTO trademark records.

Trademark records may change over time. For the most up-to-date trademark status, domain availability, and social handle checks, run a live search.

Live search · Most up-to-date results

Also check across:

USPTO Filing History

Key events recorded for this trademark application

1978-04-03 — Application filed
1980-10-21 — Published for opposition
1981-02-03 — Registered-principal register
1987-05-29 — Cancelled sec. 8 (6-yr)
1987-05-29 — Final status recorded

Owner Information

BOC Limited
London W6 GB

Correspondent

DENNISON, DENNISON, MESEROLE & POLLACK
ONE THOUSAND CRYSTAL MALL
1911 JEFFERSON DAVIS HWY
ARLINGTON, VA 22202

Filing Details

Filing Date:
1978-04-03

Status Date:
1987-05-29

Category:
Electronics & Software

Filing Year:
1978

Disclaimer: This page is informational only and does not constitute legal advice. Trademark availability depends on jurisdiction, usage, and legal interpretation.