Vehicle safety system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 21, 1992
Grant Date -
N/A
app pub date -
Jun 5, 1991
filing date -
Jun 5, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A safety system which contains a crossing arm or the like which is mounted on a vehicle, such as a school bus, and normally carried at a retracted position adjacent the vehicle, and a sensor device for sensing the presence of children near the bus which operates in a coordinated fashion with the crossing arm. The sensor may operate either only when the crossing arm is in its retracted position or when the crossing arm is both in its retracted and operating positions.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
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