Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
John C. Stankus0
Demrey G. Brandon0
John G. Oldsen0
Date of Patent
February 26, 2008
Patent Application Number
10371377
Date Filed
February 21, 2003
Patent Citations Received
Patent Primary Examiner
Patent abstract
A yieldable prop having a first end and a second end including a first hollow conduit, a second conduit slidably received in the first hollow conduit, a clamp assembly positioned adjacent to the first hollow conduit and the second conduit, and at least one handle connected to the first hollow conduit and the clamp assembly. The prop further includes a bearing plate positioned at the first end of the yieldable prop, wherein the bearing plate is selected from a shape comprising planar and volcano.
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