Invention Grant
- Patent Title: Brushroll for vacuum cleaner
-
Application No.: US17034565Application Date: 2020-09-28
-
Publication No.: US11641989B2Publication Date: 2023-05-09
- Inventor: Gary A. Kasper , Michael D. Graham
- Applicant: BISSELL Inc.
- Applicant Address: US MI Grand Rapids
- Assignee: BISSELL INC.
- Current Assignee: BISSELL INC.
- Current Assignee Address: US MI Grand Rapids
- Agency: McGarry Bair PC
- The original application number of the division: US14208381 2014.03.13
- Main IPC: A47L9/04
- IPC: A47L9/04 ; A46D3/04 ; A47L5/26 ; A47L9/16 ; A46B9/12 ; A46D1/08 ; A46B3/16 ; A46B13/00
Abstract:
A brushroll dowel for a vacuum cleaner has a bristle stiffener protruding from a brush dowel. A plurality of stiffened bristles protrude from the brush dowel adjacent to the bristle stiffener, and a plurality of unstiffened bristles also protrude from the brush dowel and are non-adjacent to the bristle stiffener.
Public/Granted literature
- US20210007567A1 BRUSHROLL FOR VACUUM CLEANER Public/Granted day:2021-01-14
Information query
