3391644

Information

• Patent Grant
• 3391644

• References
• Source

• Patent Number

  3,391,644

• Date Filed

  Not available

• Date Issued

  Tuesday, July 9, 1968
  55 years ago

• CPC

  • F04B45/022 - with two or more bellows in parallel
  • F04B39/044 - sealing with a rolling diaphragm between piston and cylinder

• US Classifications

  • 092 - Expansible chamber devices
  • 074 - Machine element or mechanism