3578890

Information

• Patent Grant
• 3578890

• References
• Source

• Patent Number

  3,578,890

• Date Filed

  Not available

• Date Issued

  Tuesday, May 18, 1971
  53 years ago

• CPC

  • F01C11/00 - Combinations of two or more machines or engines, each being of rotary-piston or oscillating-piston type
  • F01C1/18 - with similar tooth forms
  • F04C18/14 - with toothed rotary pistons

• US Classifications

  • 418 - Rotary expansible chamber devices
  • 417 - Pumps