Dispensing – With discharge assistant – Container with follower
Reexamination Certificate
2005-09-20
2005-09-20
Derakshani, Philippe (Department: 3754)
Dispensing
With discharge assistant
Container with follower
Reexamination Certificate
active
06945436
ABSTRACT:
A dispenser for dispensing extrudable material from a cartridge. The dispenser includes a housing having a first recess for holding the cartridge, a plunger movable along the longitudinal axis of the first recess, a driver element for selectively engaging and moving the plunger in a forward direction along the longitudinal axis, and a clutch element for and selectively engaging the plunger to restrain movement of the plunger in a rearward direction. When the clutch element restrains the plunger, movement of the plunger in the rearward direction is limited to a predetermined distance.
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Coltene / Whaledent Inc.
Derakshani Philippe
Katten Muchin & Rosenman LLP
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