Door hold open device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 21, 1988
Issued Date -
N/A
app pub date -
May 13, 1986
filing date -
Jun 7, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A hold open device a hinged door which is connected to a door frame by a pivot arm. The arm includes a follower which rides in an upper channel of the door. The hold open device includes a detent positioned between a cam part and a shock absorber and stop which secures the arm follower when the door is in its open position.
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