Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Reexamination Certificate
2007-06-08
2009-12-08
Redding, David A (Department: 3723)
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
C015S319000, C015S339000
Reexamination Certificate
active
07627927
ABSTRACT:
A vacuum cleaner having a floor nozzle movable by a user of the vacuum cleaner over a floor to suction dirt from the floor. A sensing system is provided for sensing a condition relating to the vacuum cleaner and for generating a signal in response to the condition. A sensor-responsive light system on the floor nozzle is responsive to the signal for projecting light onto the floor for observance by the user.
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Blocker Douglas L.
Kaido John F.
Petty T. Joy H.
Carroll Christopher R.
Redding David A
Small Dean D.
Small Patent Law Group
Tacony Corporation
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