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Aspirating device
US 2,859,908 A
Filed
: 05/10/1955
Issued
: 11/11/1958
Est. Priority Date
: 05/10/1955
Status: Expired due to Term
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Current Assignee
Joseph A. Neigel
Original Assignee
Joseph A. Neigel
Inventors
Neigel, Joseph A.
Application Number
US03/507,240
Time in Patent Office
1,281 Days
Field of Search
US Class Current
417/185
CPC Class Codes
B66F 3/35
Inflatable flexible element...
F04F 5/32
with hinged flap in combini...
F04F 5/461
Adjustable nozzles
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