Brushing – scrubbing – and general cleaning – Machines – Brushing
Reexamination Certificate
2011-04-05
2011-04-05
Spisich, Mark (Department: 3727)
Brushing, scrubbing, and general cleaning
Machines
Brushing
C310S050000
Reexamination Certificate
active
07917982
ABSTRACT:
A handpiece of an electric toothbrush having a housing in which a drive unit is received. The housing has a forward or rearward housing opening adapted to be closed by a cover in a preferably moisture- and liquid-proof manner, with snap-action detent elements provided on the housing and/or the cover for locking the cover on the housing with a snap action. A combination of snap-fitting and threaded engagement releases the snap-fitting engagement between the cover and the housing.
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Haas Martin
Kressner Gerhard
Braun GmbH
Colbert John P.
Spisich Mark
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