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Coin operated flush mounted vehicle barrier
US 2,741,859 A
Filed
: 06/21/1951
Issued
: 04/17/1956
Est. Priority Date
: 06/21/1951
Status: Expired due to Term
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Current Assignee
Donald H. Castle
Original Assignee
Donald H. Castle
Inventors
Castle, Donald H.
Application Number
US03/232,769
Time in Patent Office
1,762 Days
Field of Search
US Class Current
49/49
CPC Class Codes
E01F 13/08
by swinging into closed pos...
G07F 17/145
for revolving doors or turn...
Y10S 194/902
Check-operated device for c...
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