3272089

Information

• Patent Grant
• 3272089

• References
• Source

• Patent Number

  3,272,089

• Date Filed

  Not available

• Date Issued

  Tuesday, September 13, 1966
  59 years ago

• CPC

  • F25B9/06 - using expanders
  • F02G1/0535 - Seals or sealing arrangements
  • F04B39/044 - sealing with a rolling diaphragm between piston and cylinder
  • F04B39/128 - Crankcases
  • F04B53/142 - Intermediate liquid-piston between a driving piston and a driven piston

• US Classifications

  • 092 - Expansible chamber devices
  • 417 - Pumps