Trademark search for:

DOS/4G

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

1991-09-03 — Application filed
1991-12-10 — Assigned to examiner
1992-01-07 — Final disposition recorded
1992-08-13 — Application abandoned
1992-08-13 — Final status recorded

Owner Information

Rational Systems, Inc.
Natick , MA

Correspondent

MARTIN J O'DONNELL CESARI AND MCKENNA
30 ROWES WHARF
BOSTON, MA 02110
UNITED STATES

Filing Details

Filing Date:
1991-09-03

Status Date:
1992-08-13

Category:
Electronics & Software

Filing Year:
1991

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