Disposable air filter

Details Disposable air filter Disposable air filter

1980-10-14

1982-07-20

Nozick, Bernard

Gas separation

Two or more separators

Plies or layers of different characteristics or orientation

55501, 55514, 55511, 55527, 55528, 55DIG31, 55DIG45, B01D 5000

Patent

active

043404022

ABSTRACT:
A dual filter system for heaters and airconditioners comprising releaseably securable throwaway secondary filter secured to a disposeable or permanent primary filter.

REFERENCES:
patent: 2138874 (1938-12-01), Myers
patent: 2677436 (1954-05-01), Mazek
patent: 3023839 (1962-03-01), Best
patent: 3458130 (1969-07-01), Juhlin
patent: 3727769 (1973-04-01), Scholl
patent: 4115082 (1978-09-01), Newell
patent: 4129430 (1978-12-01), Snow
patent: 4240420 (1980-12-01), Riaboy

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