1339517

Information

• Patent Grant
• 1339517

• References
• Source

• Patent Number

  1,339,517

• Date Filed

  Not available

• Date Issued

  Tuesday, May 11, 1920
  105 years ago

• CPC

  • F02D17/00 - Controlling engines by cutting out individual cylinders Rendering engines inoperative or idling
  • F02D2700/054 - by keeping the exhaust valves open

• US Classifications

  • 123 - Internal-combustion engines