Lock system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 12, 2004
Grant Date -
Jun 5, 2003
app pub date -
Dec 20, 2002
filing date -
Jun 22, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A lock system includes a lock unit (11) having a catch (13) and a memory (15). A key unit (21) has an aerial (25) for receiving location determining signals. The lock and key units establish a communications link (33) to release the catch (13) only when the location is a location stored in the memory (15). The lock system may be used to secure vehicles (1).
First Claim
Family
International Classification(s)
- Non-US Classification not provided for expired patents
Cited Art Landscape
Patent Citation Ranking
- Citation Ranking not provided for expired patents
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully