3621820

Information

• Patent Grant
• 3621820

• References
• Source

• Patent Number

  3,621,820

• Date Filed

  Not available

• Date Issued

  Tuesday, November 23, 1971
  53 years ago

• CPC

  • F02B53/00 - Internal-combustion aspects of rotary-piston or oscillating-piston engines
  • F02B2730/05 - with pistons intermeshing as gear wheels with helicoidal rotors
  • Y02T10/17 - Non-reciprocating piston engines

• US Classifications

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