Trademark search for:

DIAFLO

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

1968-01-22 — Application filed
1989-03-01 — Registered - sec. 9 filed/check record for sec. 8
1989-03-11 — Registered and renewed (first renewal - 20 yrs)
1989-05-19 — Post registration action mailed - sec. 9
1989-06-16 — Response received to post reg. action
1989-06-16 — Response received to post reg. action
2008-11-14 — Case file in ticrs
2009-10-17 — Cancelled sec. 8 (10-yr)/expired section 9
2009-10-17 — Final status recorded

Owner Information

W. R. GRACE & CO.-CONN.
NEW YORK , NY

AMICON CORPORATION
LEXINGTON , MA

Correspondent

PATENT DEPARTMENT W R GRACE & CO CONN
55 HAYDEN AVE
LEXINGTON, MA 02173
UNITED STATES

Filing Details

Filing Date:
1968-01-22

Status Date:
2009-10-17

Category:
Lighting & Heating

Filing Year:
1966

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