Sigma Trademark Details

Sigma was registered on Tuesday, November 28, 1961 and is currently owned by Sigma-Aldrich Co. LLC under the registration number 724522 . This mark is alive with a status of Registered and Renewed. The last case file activity for this mark occured 14 years ago on Tuesday, March 22, 2011, according to the United State Patent & Trademark Office
Word Mark Sigma
Status Alive Registered 800 — Registered and Renewed

Current Owner

Sigma-Aldrich Co. LLC of Saint Louis, MO

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Other Trademarks for Sigma-Aldrich Co. LLC

Previous Owners

Sigma-Aldrich Biotechnology Lp of Saint Louis, MO

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Other Trademarks for Sigma-Aldrich Biotechnology Lp

Sigma Chemical Company of Saint Louis, MO

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Other Trademarks for Sigma Chemical Company
Serial Number 72100307
Registration Number 724522
Status Date Tuesday, March 22, 2011
Filing Date Tuesday, March 22, 2011
Registration Date Tuesday, November 28, 1961
Attorney Kristin J. Frost

Correspondent

Kristin J. Frost
Sigma-Aldrich Co. LLC
Law Department
3050 Spruce Street
St. Louis MO 63103

Case File Statements

Goods & Services Technical Bulletins Published from Time to Time

Classifications

International Class Codes
016 — Class 16 includes mainly paper, goods made from that material and office requisites.
U.S. Class Codes 038
Status 6 — Active
Status Date Tuesday, November 2, 1999
First Use Anywhere Saturday, September 1, 1951
First Use In Commerce Saturday, September 1, 1951
Primary Code 038

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