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Blood obtaining instrument
US 2,594,621 A
Filed
: 08/03/1950
Issued
: 04/29/1952
Est. Priority Date
: 08/03/1950
Status: Expired due to Term
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Current Assignee
George W. Derrick
Original Assignee
George W. Derrick
Inventors
Derrick, George W.
Application Number
US03/177,399
Time in Patent Office
635 Days
Field of Search
US Class Current
600/577
CPC Class Codes
A61B 5/15003
for venous or arterial blood
A61B 5/150213
Venting means
A61B 5/150221
Valves
A61B 5/150229
Pumps for assisting the blo...
A61B 5/150267
Modular design or construct...
A61B 5/150351
Caps, stoppers or lids for ...
A61B 5/150389
Hollow piercing elements, e...
A61B 5/150496
Details of construction of ...
A61B 5/150732
Needle holders, for instanc...
A61B 5/153
Devices specially adapted f...
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