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http://www.google.com.au/patents/US1871624?utm_source=gb-gplus-share
Patent US1871624 - VACUUM CLEANEE
VACUUM CLEANEE
JOSEPH A. LQEWINSOHN et al
› Overview
Abstract
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Description
Claims
Patent number
: 1871624
Filing date
: 20 Feb 1931
Issue date
: 16 Aug 1932
Inventors
:
JOSEPH A. LQEWINSOHN
,
JOSEPH A. LQEWINSOHN
Current U.S. Classification
:
15/344
;
15/410
;
15/413
View patent at USPTO
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Referenced by
Citing Patent
Filing date
Issue date
Original Assignee
Title
US4633543
9 Nov 1984
6 Jan 1987
Royal Appliance Mfg. Co.
Hand vacuum cleaner
US5074006
1 Sep 1989
24 Dec 1991
Pet vacuum comb
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Drawings
Drawings
