Trademark Search / SONA-GRAPH

SONA-GRAPH

○ Dead · Expired

U.S. federal trademark · Serial No. 71603689 · Reg. No. 0551688

Mark

SONA-GRAPH

Status

Expired

Serial Number

71603689

Registration No.

0551688

Filing Date

September 18, 1950

Registration Date

December 4, 1951

Class(es)

Class 009

Owner

03 · PINE BROOK, NJ, US

INSTRUMENT WHICH IS A SOUND SPECTROGRAPH WHICH PRODUCES PERMANENT VISUAL RECORDS SHOWING DISTRIBUTION OF ENERGY VS. BOTH FREQUENCY AND TIME

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