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Trademark: 72287529
Status Date
Wednesday, November 4, 1992
Registration Number
0880831
Registration Date
Tuesday, November 18, 1969
Filing Date
Tuesday, December 26, 1967
23 THREADED CONNECTIONS FOR DRILL STEM MEMBERS, USEFUL IN ROTARY BORING OF THE EARTH
Nov 4, 1992
Expired Sec. 9
Trademark Alertz updated from USPTO on 2030-01-24