2989022

Information

• Patent Grant
• 2989022

• References
• Source

• Patent Number

  2,989,022

• Date Filed

  Not available

• Date Issued

  Tuesday, June 20, 1961
  63 years ago

• CPC

  • F02B75/222 - with cylinders in star arrangement
  • F02B25/12 - Engines with U-shaped cylinders, having ports in each arm
  • F02B25/28 - with V-, fan-, or star-arrangement of cylinders
  • F02B61/045 - for outboard marine engines
  • F02B2075/025 - two
  • Y10T74/19121 - Concentric

• US Classifications

  • 416 - Fluid reaction surfaces
  • 074 - Machine element or mechanism
  • 092 - Expansible chamber devices
  • 123 - Internal-combustion engines