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Hydraulic control apparatus for adjusting and locking mechanism
US 2,608,823 A
Filed
: 11/28/1949
Issued
: 09/02/1952
Est. Priority Date
: 11/28/1949
Status: Expired due to Term
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4 Citations
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Current Assignee
Clarence R. Steele
,
Harold F. Silver
Original Assignee
Clarence R. Steele
,
Harold F. Silver
Inventors
Silver, Harold F.
,
Steele, Clarence R.
Application Number
US03/129,812
Time in Patent Office
1,009 Days
Field of Search
US Class Current
60/427
CPC Class Codes
E21C 31/12
Component parts
Y10T 137/87177
With bypass
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