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DUOPRIN

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

1965-12-14 — Application filed
1987-04-07 — Registered - sec. 9 filed/check record for sec. 8
1988-10-25 — Response received to post reg. action
1989-05-23 — Post registration action mailed - sec. 9
1989-09-25 — Response received to post reg. action
1989-10-27 — Registered and renewed (first renewal - 20 yrs)
2006-10-25 — Automatic update of assignment of ownership
2006-11-01 — Assignment of ownership not updated automatically
2008-02-09 — Cancelled sec. 8 (10-yr)/expired section 9
2008-02-09 — Final status recorded
2008-03-05 — Teas revoke/app/change addr of atty/dom rep received
2008-03-05 — Attorney/dom.rep.revoked and/or appointed

Owner Information

3M COMPANY
ST. PAUL , MN

DUNHALL PHARMACEUTICALS, INC.
GRAVETTE , AR

DUNHALL, INC.
GRAVETTE , AR

Correspondent

James F. Voegeli 3M Company
3M Center, 2501 Hudson Road
Bldg. 220-9E-01
St. Paul, MN 55144

Filing Details

Filing Date:
1965-12-14

Status Date:
2008-02-09

Category:
Pharmaceuticals

Filing Year:
1965

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