331831

Information

• Patent Grant
• 331831

• References
• Source

• Patent Number

  331,831

• Date Filed

  Not available

• Date Issued

  Tuesday, December 8, 1885
  139 years ago

• CPC

  • F04B39/045 - Labyrinth-sealing between piston and cylinder

• US Classifications

  • 092 - Expansible chamber devices