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COLLAPSIBLE FILTER FOR FLUID FLOWING IN CLOSED PASSAGEWAY
US 3,540,431 A
Filed
: 04/04/1968
Issued
: 11/17/1970
Est. Priority Date
: 04/04/1968
Status: Expired due to Term
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Current Assignee
Mobin-Uddin Kazi
Original Assignee
Mobin-Uddin Kazi
Inventors
MOBIN-UDDIN KAZI
Application Number
US04/718,743
Time in Patent Office
957 Days
Field of Search
US Class Current
128/899
CPC Class Codes
A61F 2/0105
Open ended, i.e. legs gathe...
A61F 2/011
Instruments for their place...
A61F 2002/018
made from tubes or sheets o...
A61F 2230/005
Rosette-shaped, e.g. star-s...
A61F 2230/0067
conical
A61F 2230/0093
Umbrella-shaped, e.g. mushr...
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