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:
Apr. 06, 1999
Filed:
Jan. 10, 1998
Applicant:
Inventors:
Kenneth E Wittmer, Newtown, CT (US);
Cliff Evans, Newtown, CT (US);
Assignee:
Guardian Product Development, Inc., Danbury, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G08B / ;
U.S. Cl.
CPC ...
340571 ; 3405681 ; 3405687 ;
Abstract
A flexible resilient ribbon having first and second conductive surfaces is wrapped over the top edge of a pocket wall forming a bowed-out first conductive surface adjacent to the top edge of the wall which biases the first conductive surface into contact with the second conductive surface when a card is absent from the pocket, an alarm circuit IC terminal is connected by a network which includes a fixed resistor to power supply negative and the first and second conductive surfaces each of carbon, in series removable contact, connected to power supply positive.