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Selective control mechanism for tractors
US 2,800,847 A
Filed
: 05/21/1956
Issued
: 07/30/1957
Est. Priority Date
: 05/21/1956
Status: Expired due to Term
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Current Assignee
Francis Bennett
Original Assignee
Francis Bennett
Inventors
FRANCIS BENNETT
Application Number
US03/586,076
Time in Patent Office
435 Days
Field of Search
US Class Current
172/468
CPC Class Codes
F15B 11/16
with two or more servomotors
F15B 2211/30585
having a single valve for m...
F15B 2211/324
manually, e.g. by using a l...
F15B 2211/782
Concurrent control, e.g. sy...
Y10T 137/87056
With selective motion for p...
Y10T 137/87088
Reciprocation along and rot...
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