Trademark Search / POLAROGRAPH

POLAROGRAPH

○ Dead · Expired

U.S. federal trademark · Serial No. 71338537 · Reg. No. 0307411

Mark

POLAROGRAPH

Status

Expired

Serial Number

71338537

Registration No.

0307411

Filing Date

June 5, 1933

Registration Date

October 24, 1933

Class(es)

Class 009

Owner

POLAROGRAPH LABORATORIES OF AMERICA

99 · BERKELEY, CA, US

Goods & Services

ELECTRICAL ANALYZING APPARATUS NAMELY, ELECTRICAL APPARATUS ADAPTED TO RECORD THE PRESENCE AND QUANTITY OF CERTAIN SUBSTANCES VIA REDUCTION AND/OR ADSORPTION OF THE LATTER IN SOLUTION

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Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.