Bearing plate useful for supporting a mine roof
Description
FIG. 1 is a top perspective view of a bearing plate useful for supporting a mine roof showing my new design;
FIG. 2 is a bottom plan view thereof;
FIG. 3 is a side elevational view thereof;
FIG. 4 is a top plan view thereof.
Referenced Cited
Patent History
Patent number: D275452
Type: Grant
Filed: Sep 30, 1982
Date of Patent: Sep 11, 1984
Inventor: William J. Payne (Greensburg, PA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Suzanne N. Gitlin
Attorney: Jon M. Lewis
Application Number: 6/430,826
Type: Grant
Filed: Sep 30, 1982
Date of Patent: Sep 11, 1984
Inventor: William J. Payne (Greensburg, PA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Suzanne N. Gitlin
Attorney: Jon M. Lewis
Application Number: 6/430,826
Classifications
Current U.S. Class:
D/8399