Retractable Ladder Assembly for a Mechanical Closure Device
Number of patents in Portfolio can not be more than 2000
United States of America
Stats
-
N/A
Issued Date -
N/A
app pub date -
Apr 2, 2019
filing date -
Apr 2, 2019
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
A retractable ladder assembly comprising a lower frame fixed below an enclosure for a mechanical closure device and a moveable upper frame. The upper frame is disposed below the enclosure or removed entirely from the enclosure when not in use to prevent access from unauthorized personnel. The lower end of the upper frame engages the upper end of the lower frame and a link member on the upper frame engages an anchor within the enclosure to establish an extended ladder mode.
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