ISDN

○ Dead · Cancelled

U.S. federal trademark · Serial No. 74089950 · Reg. No. 1740673

Mark

ISDN

Status

Cancelled

Serial Number

74089950

Registration No.

1740673

Filing Date

August 20, 1990

Registration Date

December 15, 1992

Class(es)

Class 038

Owners

03 · San Francisco, CA, US

03 · San Francisco, CA, US

03 · San Francisco, CA, US

telecommunications services

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