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. 31, 1987
Filed:
Nov. 05, 1984
Applicant:
Inventor:
Werner Tietz, Berlin, DE;
Assignee:
Zeiss Ikon AG, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E05B / ;
U.S. Cl.
CPC ...
70406 ; 70409 ; 70411 ;
Abstract
A key for a lock-key system, particularly for a hierarchal lock system, is provided which has an invariable basic profile and a variation or system profile in which the invariable basic profile is allocated to the region of the key facing carrying the classification notches and has at least two profiled formations which cross the centerline of the key. The variation or system profile is allocated to the key region adjacent to the key spine. Variations are provided in the system profile by longitudinal incisions having a rectangular cross-section.
Tietz, Werner. (1987). Lock-key system (U.S. Patent No. 4653298). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4653298
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile