The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 25, 2014
Filed:
Feb. 24, 2012
Applicants:
Joseph Fader, Graz, AT;
Kenneth Monyak, Abingdon, VA (US);
Daniel Mouthaan, Williamsburg, MI (US);
Inventors:
Assignee:
Sandvik Intellectual Property AB, Sandviken, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21C 35/183 (2006.01);
U.S. Cl.
CPC ...
Abstract
A polygonal shaped shield washer for mounting on a pick holder having a mating polygonal shaped barrel, the washer including a top having an interior opening and outer periphery defined by plurality of edges, each pair of adjacent edges being joined at a corner, and a skirt extending rearwardly from the outer periphery of the top, the skirt having a plurality of edges and corners aligned with the edges and corners of the top.