SPHERON

○ Dead · Expired

U.S. federal trademark · Serial No. 71540161 · Reg. No. 0511832

Mark

SPHERON

Status

Expired

Serial Number

71540161

Registration No.

0511832

Filing Date

November 5, 1947

Registration Date

July 5, 1949

Class(es)

Class 001

Owner

03 · BOSTON, MA, US

CARBON BLACK FOR USE IN MANUFACTURING OF TALKING MACHINE RECORDS

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