The SIGMA trademark was assigned a Serial Number #72306813 – by the United States Patent and Trademark Office (USPTO). Trademark Serial Number is a unique ID to identify the SIGMA mark in USPTO. The SIGMA mark is filed in the category of Furniture,Related Articles. The legal correspondent for SIGMA trademark is ARTHUR S MORGENSTERN, SIGMA CHEMICAL COMPANY, P O BOX 14508, ST LOUIS, MISSOURI UNITED STATES 63178 Domestic Representative - Not Found Prosecution History Date Description Proceeding Number Feb. 17, 2001 CANCELLED SEC. 8 (10-YR)/E . The current status of the SIGMA filing is This registration was not renewed and therefore has expired..
Based on SIGMA CHEMICAL COMPANY, the SIGMA trademark is used in the following business: PLANCHETS FOR RADIOACTIVE ASSAY AND THE LIKE.
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