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App. No. 12/695,569 · Confirmation No. 8189

Tapered Spline Connection for Drill Pipe, Casing, and Tubing

Abandoned -- Failure to Respond to an Office Action View Publication ↗
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Quick Facts
App. No.
12/695,569
Filed
2010-01-28
Pub. No.
US20110180273A1
Art Unit
3679