3439654

Information

• Patent Grant
• 3439654

• References
• Source

• Patent Number

  3,439,654

• Date Filed

  Not available

• Date Issued

  Tuesday, April 22, 1969
  55 years ago

• CPC

  • F01C1/24 - of counter-engagement type

• US Classifications

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