2538812

Information

• Patent Grant
• 2538812

• References
• Source

• Patent Number

  2,538,812

• Date Filed

  Not available

• Date Issued

  Tuesday, January 23, 1951
  73 years ago

• CPC

  • F01L25/08 - by electric or magnetic means
  • F04B9/1207 - using a source of partial vacuum or sub-atmospheric pressure

• US Classifications

  • 091 - Motors: expansible chamber type
  • 092 - Expansible chamber devices
  • 417 - Pumps