DI-22

○ Dead · Expired

U.S. federal trademark · Serial No. 72287529 · Reg. No. 0880831

Mark

DI-22

Status

Expired

Serial Number

72287529

Registration No.

0880831

Filing Date

December 26, 1967

Registration Date

November 18, 1969

Class(es)

Class 007

Owner

03 · WHITTIER, CT, US

THREADED CONNECTIONS FOR DRILL STEM MEMBERS, USEFUL IN ROTARY BORING OF THE EARTH

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