Lift safety system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 16, 1992
Grant Date -
N/A
app pub date -
Sep 28, 1990
filing date -
Sep 28, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Loading Importance Indicators... 
Abstract
A portable multi-stage lift is provided with multiple outriggers for stability. The lift cannot be raised unless the outriggers are positioned in a fully extended, load-bearing relationship with the lift.
Loading the Abstract Image...
OK
First Claim
Family
Loading Family data...
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