SIGMA

Expired

Word Mark

•

Key Information

Serial Number

72306813

Registration Number

885428

Status

Expired

Ownership

Owner Name

Sigma Chemical Company

Type: Organization / Corporation

Address

3500 Dekalb St., St. Louis

MO 63118

Critical Dates

First Use Date

Jan 2, 1962

Filing Date

Sep 6, 1968

Registration Date

Feb 3, 1970

Mark Descriptions

Goods

Class 26

PLANCHETS FOR RADIOACTIVE ASSAY AND THE LIKE

Class 20

PLANCHETS FOR RADIOACTIVE ASSAY AND THE LIKE

Mark Elements

Text Mark

SIGMA

Trademark Timeline

First Use

Jan 2, 1962

Filing Date

Sep 6, 1968

Registration Date

Feb 3, 1970

Trademark Assignment

Jul 10, 1972

Assigned to SIGMA INTERNATIONAL, LTD.

Trademark Assignment

Aug 13, 1975

Assigned to SIGMA CHEMICAL COMPANY

Trademark Assignment

Jan 1, 1997

Assigned to SIGMA-ALDRICH CO.

USPTO Records

No documents found for this trademark.

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