Bail extender
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The claimed bail extender is used to extend the effective length of bails (also called elevator lifts) on a drilling rig.
Claims
The ornamental design for a bail extender, as shown.
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Type: Grant
Filed: May 13, 2015
Date of Patent: Oct 11, 2016
Assignee: Alpha Dog Oilfield Tools (Laredo, TX)
Inventor: Manuel Marquez (Laredo, TX)
Primary Examiner: Sheryl Lane
Assistant Examiner: Ieisha Price
Application Number: 29/526,882