Cleaning brush
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 11, 1989
Grant Date -
N/A
app pub date -
Nov 12, 1987
filing date -
Nov 12, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A cleaning brush has a handle, an elongated stem formed from a flexible coil spring, bristles at the end of the stem and a stiff member extending axially within the coil spring from the handle a distance partly the length of the stem to allow flexibility only in the area between the end of the stiff member and the bristle portion.
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