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http://www.google.com.au/patents/US1901999?utm_source=gb-gplus-share
Patent US1901999 - UPSON
UPSON
INSULATING MATERIAL et al
› Overview
Abstract
Drawings
Description
Claims
Patent number
: 1901999
Filing date
: 28 Mar 1930
Issue date
: 21 Mar 1933
Inventors
:
INSULATING MATERIAL
,
INSULATING MATERIAL
Current U.S. Classification
:
52/406.1
;
112/420
;
156/62.2
;
156/93
;
156/183
;
156/291
;
428/194
;
428/198
;
428/921
;
493/334
;
493/379
View patent at USPTO
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Referenced by
Citing Patent
Filing date
Issue date
Original Assignee
Title
US4184311
11 Jan 1978
22 Jan 1980
Fire retardant insulation
US4282276
10 Dec 1979
4 Aug 1981
Thermal insulation packet
US6141930
1 Oct 1996
7 Nov 2000
Johns Manville International, Inc.
Method of and article for insulating standard and nonstandard cavities and an insulated structure
Drawings
Drawings
Drawings
