Brushing – scrubbing – and general cleaning – Implements – Brush or broom
Patent
1976-11-17
1978-04-04
Feldman, Peter
Brushing, scrubbing, and general cleaning
Implements
Brush or broom
A46B 904
Patent
active
040818764
ABSTRACT:
A toothbrush comprising at least two adjacent rows of filaments of which in one row the filaments are upright and in the other the filaments are inclined. During longitudinal brushing the inclined filaments become more effective by flexing to the upright, and during lateral brushing the inclined filaments support the adjacent upright filaments against undue flexure.
REFERENCES:
patent: D187976 (1960-05-01), Farber
patent: 835709 (1906-11-01), Miller
Dusyn Kenneth F.
Farrell James J.
Feldman Peter
Kurtz Melvin H.
Lever Brothers Company
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