TOOL FOR A VACUUM CLEANER
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Jan 18, 2018
app pub date -
Jul 12, 2017
filing date -
Jul 13, 2016
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
A vacuum cleaner flexible duct. The flexible duct includes a helical frame and a helical strip. The helical frame is formed of a rigid material and includes a plurality of loops spaced about a helical axis. The helical strip is formed of pliable material and is provided between the loops of the helical frame to seal the frame. Each loop of the frame includes a central band with at least one wing. The helical strip is secured to the at least one wing such that the exterior surface of the helical strip is flush with the exterior surface of the central band.
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