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. 29, 1988
Filed:
Jul. 11, 1986
Applicant:
Inventor:
Horace D Holmes, Farmington Hills, MI (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16B / ;
U.S. Cl.
CPC ...
411311 ; 411938 ;
Abstract
A self-locking fastener combination including a standard female fastener element and a nonstandard male fastener element. The external threadform of the male fastener is characterized by an asymmetric flank angle arrangement and a step at the bolt threadform valley defined by an elevated portion which is of greater than nominal diameter and an adjacent depressed portion which may be of lesser than nominal diameter.