Economic double-story umbrella as conveniently anchored
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 2, 2003
Grant Date -
Dec 12, 2002
app pub date -
Jun 12, 2001
filing date -
Jun 12, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A double-story umbrella includes an upper umbrella formed by an upper umbrella cloth; a lower umbrella having a shaft and a rib assembly pivotally secured to the shaft for securing a lower umbrella cloth on the rib assembly; a plurality of detachable restorable buckling devices each coupling the upper umbrella cloth with the lower umbrella cloth; and a supporting device adjustably detachably secured on a lower portion of the shaft and operatively anchored on or under a ground for stably erecting the shaft and the double-story umbrella.
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