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. 18, 1991
Filed:
Jun. 29, 1990
Applicant:
Inventors:
Shlomo Blumberg, Carmiel, IL;
Avraham Olti, Carmiel, IL;
Assignee:
Y. M. Shoval Ltd., Haifa, IL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G04B / ; E05B / ;
U.S. Cl.
CPC ...
368 10 ; 368 62 ; 70434 ; 340539 ; 340542 ;
Abstract
Reminder apparatus to be carried by a user with a key constructed to remind the user as to the last operation in which the key was used with respect to a lock. The key includes an operation sensor which stores the time of the last key operation, and a display which, upon manual operation of the key, displays the time of the last key operation.