LibraryCleaningAbrasive cleaning device
Source reports Expired

Abrasive cleaning device

US-7988539-B2

Abstract

A cleaning element ( 36 ) for a cement floor surface mounted to a housing ( 32 ). Each cleaning element has a flat flexible abrasive surface ( 39 ) that is transversely positioned to the direction of motion to provide flex during cleaning of a cement floor surface.

Patent figures(8)

US-7988539-B2 figure 1
1
US-7988539-B2 figure 2
2
US-7988539-B2 figure 3
3
US-7988539-B2 figure 4
4
US-7988539-B2 figure 5
5
US-7988539-B2 figure 6
6
US-7988539-B2 figure 7
7
US-7988539-B2 figure 8
8

Source status & events

No source-status events are recorded.

Related patents (same category)

Notice

This page is for reference only, not legal advice

A source status is not a legal conclusionPatent status may change through fee payment, reinstatement, family rights, or jurisdiction. Check current authoritative records and obtain professional advice.
Obtain FTO clearance before useBefore any make, import, or sell decision, obtain a Freedom-to-Operate analysis from a qualified patent professional.