DU.OP

○ Dead · Expired

U.S. federal trademark · Serial No. 71632610 · Reg. No. 0587810

Mark

DU.OP

Status

Expired

Serial Number

71632610

Registration No.

0587810

Filing Date

July 16, 1952

Registration Date

April 6, 1954

Class(es)

Class 009

Owner

03 · BOSTON, MA, US

ELECTRICAL SWITCHES OF THE SLOW ACTING SPRING AND SNAP ACTION TYPES

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