1788140

Information

• Patent Grant
• 1788140

• References
• Source

• Patent Number

  1,788,140

• Date Filed

  Not available

• Date Issued

  Tuesday, January 6, 1931
  94 years ago

• CPC

  • F01B3/045 - by two or more curved surfaces
  • F02B2075/028 - five
  • Y10T74/18336 - Wabbler type

• US Classifications

  • 123 - Internal-combustion engines
  • 074 - Machine element or mechanism
  • 092 - Expansible chamber devices