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:
Dec. 28, 1999
Filed:
Mar. 02, 1998
Applicant:
Inventor:
Ketil Hagen, Valer, NO;
Assignee:
VingCard AS, , NO;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E05B / ;
U.S. Cl.
CPC ...
340543 ; 70 439 ; 340542 ;
Abstract
An alarm device for a lock which provides a security system which displays unauthorized tampering with the lock. The device senses unauthorized movement of one or several elements in the lock and causes an alarm signal which may only be terminated by resetting the device by authorized operation of the lock.