Convertible ladder
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 4, 2007
Grant Date -
May 26, 2005
app pub date -
Oct 29, 2004
filing date -
Feb 7, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A ladder having a first ladder section, a second ladder section, an adjustable hinge mechanism, an engagement indicator and a static hinge mechanism. The adjustable hinge mechanism is mounted with respect to the first ladder and the second ladder so that the adjustable hinge mechanism is moveable between an engaged position and a disengaged position. The static hinge mechanism enables the first and second ladder sections to be maintained in a stationary position with respect to each other.
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