Trademark search for:

PLASMA CEF

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

1973-11-05 — Application filed
1981-04-06 — Registered - sec. 8 (6-yr) accepted & sec. 15 ack.
1995-11-24 — Registered - sec. 9 filed/check record for sec. 8
1996-01-25 — Registered and renewed (first renewal - 10 yrs)
2006-06-03 — Cancelled sec. 8 (10-yr)/expired section 9
2006-06-10 — Cancelled sec. 8 (10-yr)/expired section 9
2006-06-10 — Final status recorded

Owner Information

SIGMA CHEMICAL COMPANY
ST. LOUIS , MO

SIGMA INTERNATIONAL, LTD.
ST. LOUIS , MO

Correspondent

STEPHEN K ANDERSON SIGMA CHEMICAL COMPANY
3050 SPRUCE ST
ST LOUIS, MO 63103
UNITED STATES

Filing Details

Filing Date:
1973-11-05

Status Date:
2006-06-10

Category:
Chemicals

Filing Year:
1973

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