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:
Sep. 16, 2003
Filed:
Mar. 02, 2001
Applicant:
Inventors:
Frank Calandra, Jr., Pittsburgh, PA (US);
John C. Stankus, Canonsburg, PA (US);
Michael Cokus, Sarver, PA (US);
Steve Oyler, Carrolltown, PA (US);
John G. Oldsen, Butler, PA (US);
Assignee:
Jennmar Corporation, Pittsburgh, PA (US);
Primary Examiner:
Int. Cl.
CPC ...
E21D 2/000 ; F16B 2/100 ;
U.S. Cl.
CPC ...
E21D 2/000 ; F16B 2/100 ;
Abstract
A method and apparatus for making a nut having a first end, a second end, and defining an orifice extending between the first end and the second end. A plurality of first threads are positioned in the orifice defined by the nut body, and a malformed thread is positioned in the orifice defined by the nut body, wherein the malformed thread interrupts continuity of at least one of the plurality of first threads.