3149777

Information

• Patent Grant
• 3149777

• References
• Source

• Patent Number

  3,149,777

• Date Filed

  Not available

• Date Issued

  Tuesday, September 22, 1964
  60 years ago

• CPC

  • F04B39/044 - sealing with a rolling diaphragm between piston and cylinder
  • F01B19/02 - with plate-like flexible members
  • F04B39/08 - Actuation of distribution members
  • F04B45/041 - double acting plate-like flexible pumping member

• US Classifications

  • 417 - Pumps
  • 092 - Expansible chamber devices