Brushing – scrubbing – and general cleaning – Implements – Brush or broom
Reexamination Certificate
2006-09-26
2006-09-26
Chin, Randall (Department: 1744)
Brushing, scrubbing, and general cleaning
Implements
Brush or broom
C015S176400
Reexamination Certificate
active
07111352
ABSTRACT:
The present invention discloses a cleaning brush structure having a replaceable brush hair plate, which comprises an accommodating groove being tapered in width from its front end to its rear end on a plate body of the cleaning brush and a baseboard being tapered in width from its front end to its rear end, such that the baseboard can be secured into the accommodating groove and will not fall out easily. Further, the accommodating groove has an opening disposed above the accommodating groove and slightly smaller than the bottom thereof, and its rear end is broader than its front end, such that when a user takes out the baseboard for replacement or cleaning, the baseboard will not come out uncontrollably due to the excessively applied force.
REFERENCES:
patent: 1750500 (1930-03-01), Weisz
patent: 1908510 (1933-05-01), Dodson
patent: 2225331 (1940-12-01), Campbell
patent: 2306051 (1942-12-01), Ghelber
patent: 3167799 (1965-02-01), McKinley
patent: 6745428 (2004-06-01), MacLean
Bacon & Thomas PLLC
Chin Randall
LandOfFree
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