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:
Jun. 09, 1992
Filed:
Jul. 26, 1991
Applicant:
Inventor:
John H Grady, Wayland, MA (US);
Assignee:
Phillips Screw Company, Burlington, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16B / ; F16B / ;
U.S. Cl.
CPC ...
411404 ; 411407 ; 411919 ;
Abstract
A screw head is provided with ribs on some of the driver engageable surfaces. The rib is slanted outwardly from the screw axis by a small angle between 1.degree. and 10.degree..