Crowd control barrier
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 26, 1995
Grant Date -
N/A
app pub date -
Jul 20, 1994
filing date -
Jul 20, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A portable crowd control barrier for use in sporting or entertainment events having lightweight body members formed of a resiliently deformable material and each defining an interior chamber and having slots formed in endwalls thereof to receive wooden studs such that the introduction of liquid into the interior chambers deforms the body members, clamping the walls of the slots against the studs and locking the system in place.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
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