2693768

Information

• Patent Grant
• 2693768

• References
• Source

• Patent Number

  2,693,768

• Date Filed

  Not available

• Date Issued

  Tuesday, November 9, 1954
  70 years ago

• CPC

  • F04B53/148 - the piston being provided with channels which are coacting with the cylinder and are used as a distribution member for another piston-cylinder unit
  • F04B9/14 - Pumps characterised by muscle-power operation

• US Classifications

  • 092 - Expansible chamber devices
  • 222 - Dispensing
  • 417 - Pumps