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Disposable hypodermic syringe
US 2,971,509 A
Filed
: 09/26/1958
Issued
: 02/14/1961
Est. Priority Date
: 09/26/1958
Status: Expired due to Term
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Current Assignee
Joseph Cohen Milton
Original Assignee
Joseph Cohen Milton
Inventors
JOSEPH COHEN MILTON
Application Number
US03/763,745
Time in Patent Office
872 Days
Field of Search
US Class Current
604/140
CPC Class Codes
A61M 2005/3112
Incorporating self-aspirati...
A61M 2005/3128
Incorporating one-way valve...
A61M 5/2053
Media being expelled from i...
A61M 5/28
Syringe ampoules or carpule...
Y10S 604/90
Telltale showing entry of b...
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