Title:
Positive pressure demand regulator
United States Patent 2970602


Inventors:
David, Cupp Charles
Application Number:
US57977856A
Publication Date:
02/07/1961
Filing Date:
04/23/1956
Assignee:
SCOTT AVIAT CORP
Primary Class:
Other Classes:
137/908, 267/182
International Classes:
F17C13/04
View Patent Images:
US Patent References:
2790454Demand fluid regulator1957-04-30
2760507Demand pressure regulator1956-08-28
2639881Electrical fixture1953-05-26
2604315Spring device1952-07-22
2597961Pressure regulating device1952-05-27
2406888Breathing apparatus1946-09-03
0627390N/A1899-06-20