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:
Aug. 02, 2011
Filed:
Oct. 11, 2007
Applicants:
Tad A. Weiss, Westhampton, MA (US);
Richard Belinda, Westfield, MA (US);
Joseph A. Pieciak, Jr., West Springfield, MA (US);
Inventors:
Tad A. Weiss, Westhampton, MA (US);
Richard Belinda, Westfield, MA (US);
Joseph A. Pieciak, Jr., West Springfield, MA (US);
Assignee:
Handy & Harman, Rye, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16B 25/02 (2006.01); F16B 25/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A fastener for composite material having a dense composition employs a head which has a socket and a recessed underside and a lower rim. The shank has an upper portion with an enlarged diameter and a left hand thread while the lower portion has a tri-lobed configuration and is traversed by a right hand thread. The right hand thread may have a plurality of notches which, in one embodiment, are arranged in a spiral array.