2221071

Information

• Patent Grant
• 2221071

• References
• Source

• Patent Number

  2,221,071

• Date Filed

  Not available

• Date Issued

  Tuesday, November 12, 1940
  84 years ago

• CPC

  • F04B43/02 - having plate-like flexible members
  • F02M59/14 - of elastic-wall type
  • F04B9/12 - the fluid being elastic
  • F04B9/1207 - using a source of partial vacuum or sub-atmospheric pressure
  • F02M2700/1323 - Controlled diaphragm type fuel pump

• US Classifications

  • 417 - Pumps
  • 092 - Expansible chamber devices