HYDROHONE

○ Dead · Expired

U.S. federal trademark · Serial No. 71399454 · Reg. No. 0356386

Mark

HYDROHONE

Status

Expired

Serial Number

71399454

Registration No.

0356386

Filing Date

November 8, 1937

Registration Date

April 26, 1938

Class(es)

Class 007

Owners

98 · TROY MICHIGAN

03 · DETROIT, MI, US

HONE MACHINE FOR GRINDING CYLINDER WALLS

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