3699930

Information

• Patent Grant
• 3699930

• References
• Source

• Patent Number

  3,699,930

• Date Filed

  Not available

• Date Issued

  Tuesday, October 24, 1972
  52 years ago

• CPC

  • F01C11/004 - and of complementary function
  • F01C1/14 - with toothed rotary pistons

• US Classifications

  • 123 - Internal-combustion engines
  • 418 - Rotary expansible chamber devices