Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Alexander Merson0
Gennady Kleyman0
Date of Patent
March 8, 2011
0Patent Application Number
113162170
Date Filed
December 21, 2005
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A dosage device has a hollow barrel and a plunger slidable within the barrel, and a plurality of formations provided on the barrel and plunger and cooperating with one another to produce a sound signal and a pointed impulse, which corresponds to a predetermined dosage of fluid drawn into or displaced from the barrel. At least one of the barrel and plunger formations which are made of flexible material is configured to have a plurality of spaced-apart segments shaped and dimensioned to improve the quality of the sound signal.
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