1449554

Information

• Patent Grant
• 1449554

• References
• Source

• Patent Number

  1,449,554

• Date Filed

  Not available

• Date Issued

  Tuesday, March 27, 1923
  102 years ago

• CPC

  • F01B17/04 - Steam engines
  • F01B2170/0447 - Machines with more than one piston in a cylinder and with counter moving pistons

• US Classifications

  • 116 - Signals and indicators
  • 033 - Geometrical instruments
  • 092 - Expansible chamber devices