1438521

Information

• Patent Grant
• 1438521

• References
• Source

• Patent Number

  1,438,521

• Date Filed

  Not available

• Date Issued

  Tuesday, December 12, 1922
  102 years ago

• CPC

  • F01B3/0067 - cylinder barrel bearing means
  • F01B3/0052 - Cylinder barrel
  • F01B3/0085 - Pistons
  • F01B25/12 - Devices dealing with sensing elements or final actuators or transmitting means between them

• US Classifications

  • 091 - Motors: expansible chamber type