Title:
Pressure operated switch
United States Patent 2480553
US Patent References:
/0508652.html
- - 0508652
/0723183.html
- - 0723183
Counting relay
- - 1805082
Method of and means for operating electric circuit making and breaking devices
- - 2011144
Electric circuit interrupter
- - 2049328
/0508652.html
- - 0508652
/0723183.html
- - 0723183
Counting relay
- - 1805082
Method of and means for operating electric circuit making and breaking devices
- - 2011144
Electric circuit interrupter
- - 2049328
Inventors:
Cooper, James T.
Logan, James T.
Logan, James T.
Publication Date:
08/30/1949
View Patent Images:
Export Citation:
Assignee:
GEN ELECTRIC
Primary Class:
Other Classes:
89/1.140, 218/158, 200/83R, 280/82, 123/24A, 123/24R, 60/634
International Classes:
C07C37/62; H01H39/00; H01H75/04; C07C37/00; H01H75/00
Foreign References:
| GB390317A |