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ICE DETECTOR
US 3,540,025 A
Filed
: 01/20/1967
Issued
: 11/10/1970
Est. Priority Date
: 01/20/1967
Status: Expired due to Term
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Current Assignee
Berton P. Levin
,
Clark I. Bright
Original Assignee
Berton P. Levin
,
Clark I. Bright
Inventors
Levin, Berton P.
,
Bright, Clark I.
Application Number
US04/610,667
Time in Patent Office
1,390 Days
Field of Search
US Class Current
340/583
CPC Class Codes
B64D 15/20
Means for detecting icing o...
G01N 21/43
by measuring critical angle
G08B 19/02
Alarm responsive to formati...
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