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. 28, 2000
Filed:
Apr. 18, 1994
Applicant:
Inventor:
Artur Fischer, Waldachtal, DE;
Assignee:
Die fischerwerke Artur Fischer GmbH & Co., KG, Waldachtal, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16B / ; F16B / ;
U.S. Cl.
CPC ...
411508 ; 411447 ; 411451 ; 411452 ;
Abstract
A nail comprises a shank having a front end face, two bowed expansible arms forming an expansion region and having a free space therebetween, and a straight shank portion located before the expansion region, the free space being formed as a longitudinal channel which starts from the straight shank portion and extends to the front end face of the shank.