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Publication numberUS1951955 A
Publication typeGrant
Publication dateMar 20, 1934
Filing dateMar 16, 1932
Publication numberUS 1951955 A, US 1951955A, US-A-1951955, US1951955 A, US1951955A
InventorsW. A. Wood
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Air filter
US 1951955 A
Abstract  available in
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Claims  available in
Description  (OCR text may contain errors)

arl Z0, 1934., G w wlLDE DUPLEX ENVELOPE Filed March 18, 1935 F, 0 d VQ .5 M

March 20, l934.

W. A. WOOD AIR' FILTER Filed March 1e. 1932 2 Sheeis-Sheet l 'I lNVawoR.

#Va/fer ,4 Wood A TTORNE Y S

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US2775396 *Nov 12, 1953Dec 25, 1956Joseph LindnerMailing envelope
US3180238 *Jul 19, 1961Apr 27, 1965Acme Highway ProdGroove filler
US3343749 *Apr 27, 1966Sep 26, 1967American Paper ProdChurch contribution envelope
US3369732 *Oct 22, 1965Feb 20, 1968Bror E. HansonEnvelopes
US3773250 *Jul 14, 1971Nov 20, 1973N Am Dye Corp LtdMedication dispensing
US3874582 *Apr 30, 1973Apr 1, 1975Wang YenReusable envelope
US4775095 *Jan 5, 1987Oct 4, 1988Emmott Gary GRemailable envelope
US4915287 *Nov 3, 1988Apr 10, 1990Moore Business Forms, Inc.Intelligently imaged envelopes with intelligently imaged integral tear-off flaps
WO1984003269A1 *Feb 15, 1983Aug 30, 1984Burroughs CorpMailer set
U.S. Classification229/69, 229/72
International ClassificationB65D27/00, B65D27/34, B65D27/08
Cooperative ClassificationB65D27/34, B65D27/08
European ClassificationB65D27/34, B65D27/08