SPIRULE

○ Dead · Expired

U.S. federal trademark · Serial No. 72142225 · Reg. No. 0742342

Mark

SPIRULE

Status

Expired

Serial Number

72142225

Registration No.

0742342

Filing Date

April 13, 1962

Registration Date

December 18, 1962

Class(es)

Class 009

Owner

CALCULATING DEVICE KNOWN AS THE ROOT LOCUS PLOTTER

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