1991218

Information

• Patent Grant
• 1991218

• References
• Source

• Patent Number

  1,991,218

• Date Filed

  Not available

• Date Issued

  Tuesday, February 12, 1935
  90 years ago

• CPC

  • F02B75/28 - Engines with two or more pistons reciprocating within same cylinder or within essentially coaxial cylinders
  • F02B2075/022 - having less than six strokes per cycle
  • Y10T74/22 - Miscellaneous

• US Classifications

  • 123 - Internal-combustion engines
  • 074 - Machine element or mechanism