Brushing – scrubbing – and general cleaning – Machines – Brushing
Reexamination Certificate
2004-10-22
2008-09-30
Chin, Randall (Department: 3723)
Brushing, scrubbing, and general cleaning
Machines
Brushing
C015S022200, C015S028000
Reexamination Certificate
active
07428766
ABSTRACT:
A powered toothbrush refill head combines a typical round oscillating or primary tuft block which oscillates in a rotational manner with a secondary tuft block. The secondary tuft block may be oscillated in a rotational manner or may oscillate linearly back and forth in the same direction as the handle of the toothbrush. The secondary tuft block could be in the form of a pair of side by side plates mounted on the head adjacent to the round oscillating block. The invention could also be practice where the secondary tuft block is in the form of a plurality of sets of rows of bristles mounted for back and forth movement in a direction perpendicular to the handle.
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Ahn Kyoungeun
Eliav Eyal
Gatzemeyer John J.
Chin Randall
Colgate-Palmolive Company
Wallace Jr. Michael J
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