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US 2,921,999 A
Filed
: 04/01/1957
Issued
: 01/19/1960
Est. Priority Date
: 04/01/1957
Status: Expired due to Term
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Current Assignee
Robert M. Ziegler Jr
Original Assignee
Robert M. Ziegler Jr
Inventors
Ziegler, Robert M. Jr.
Application Number
US03/650,046
Time in Patent Office
1,023 Days
Field of Search
US Class Current
200/61.52
CPC Class Codes
B60Q 1/44
for indicating braking acti...
B60R 21/08
automatically movable from ...
G01F 1/68
by using thermal effects
H01H 35/14
Switches operated by change...
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