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Flammable vapor protection
US 2,533,339 A
Filed
: 06/22/1946
Issued
: 12/12/1950
Est. Priority Date
: 06/22/1946
Status: Expired due to Term
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Current Assignee
Walter J. Willenborg
Original Assignee
Walter J. Willenborg
Inventors
Willenborg, Walter J.
Application Number
US02/678,556
Time in Patent Office
1,634 Days
Field of Search
US Class Current
96/397
CPC Class Codes
G01N 27/16
caused by burning or cataly...
Y10S 55/34
Indicator and controllers
Y10T 137/1915
Burner gas cutoff
Y10T 137/2509
By optical or chemical prop...
Y10T 137/8158
With indicator, register, r...
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