HYGRADE

○ Dead · Expired

U.S. federal trademark · Serial No. 71315144 · Reg. No. 0288095

Mark

HYGRADE

Status

Expired

Serial Number

71315144

Registration No.

0288095

Filing Date

May 28, 1931

Registration Date

October 20, 1931

Class(es)

Class 009

Owner

03 · SALEM, MA, US

ELECTRON RADIO TUBES

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