1660487

Information

• Patent Grant
• 1660487

• References
• Source

• Patent Number

  1,660,487

• Date Filed

  Not available

• Date Issued

  Tuesday, February 28, 1928
  96 years ago

• CPC

  • F01B9/08 - with ratchet and pawl
  • Y10T74/1531 - Multiple acting

• US Classifications

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