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Filter for air conditioning apparatus
US 2,782,612 A
Filed
: 12/05/1955
Issued
: 02/26/1957
Est. Priority Date
: 12/05/1955
Status: Expired due to Term
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13 Citations
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Current Assignee
William G. Spiegelhalter
Original Assignee
William G. Spiegelhalter
Inventors
Spiegelhalter, William G.
Application Number
US03/551,093
Time in Patent Office
449 Days
Field of Search
US Class Current
62/162
CPC Class Codes
F24F 1/035
characterised by the mounti...
F24F 8/10
by separation, e.g. by filt...
F24F 8/108
using dry filter elements
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