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Automatic changeover mechanism
US 2,518,894 A
Filed
: 06/14/1945
Issued
: 08/15/1950
Est. Priority Date
: 06/14/1945
Status: Expired due to Term
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Current Assignee
Frank F. Humbarger
,
Ralph C. Pierson
,
Willis G. Schepman
Original Assignee
Frank F. Humbarger
,
Ralph C. Pierson
,
Willis G. Schepman
Inventors
Humbarger, Frank F.
,
Pierson, Ralph C.
,
Schepman, Willis G.
Application Number
US02/599,486
Time in Patent Office
1,888 Days
Field of Search
US Class Current
137/113
CPC Class Codes
F17C 13/045
Automatic change-over switc...
Y10T 137/2569
Control by depletion of source
Y10T 137/4857
With manifold or grouped ou...
Y10T 137/7782
With manual or external con...
Y10T 137/783
Reactor operatively connect...
Y10T 137/7831
With mechanical movement be...
Y10T 137/8225
Position or extent of motio...
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