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:
Oct. 12, 2004
Filed:
Dec. 20, 2002
Applicant:
Inventor:
David Crisp, London, GB;
Assignee:
ITW Limited, Fforestfach, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60I 9/00 ;
U.S. Cl.
CPC ...
B60I 9/00 ;
Abstract
A lock system includes a lock unit ( ) having a catch ( ) and a memory ( ). A key unit ( ) has an aerial ( ) for receiving location determining signals. The lock and key units establish a communications link ( ) to release the catch ( ) only when the location is a location stored in the memory ( ). The lock system may be used to secure vehicles ( ).