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Hydraulic forming machine
US 2,545,570 A
Filed
: 01/10/1945
Issued
: 03/20/1951
Est. Priority Date
: 01/10/1945
Status: Expired due to Term
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Current Assignee
Earl Caldwell Albert
Original Assignee
Earl Caldwell Albert
Inventors
EARL CALDWELL ALBERT
Application Number
US02/572,177
Time in Patent Office
2,260 Days
Field of Search
US Class Current
72/55
CPC Class Codes
B21D 15/10
by applying fluid pressure
B21D 22/205
Hydro-mechanical deep-drawing
B21D 26/023
including an additional tre...
B21D 26/027
Means for controlling fluid...
B21D 26/049
Deforming bodies having a c...
B30B 15/16
Control arrangements for fl...
F15B 11/20
controlling several interac...
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