316492

Information

• Patent Grant
• 316492

• References
• Source

• Patent Number

  316,492

• Date Filed

  Not available

• Date Issued

  Tuesday, April 28, 1885
  139 years ago

• CPC

  • F04B39/045 - Labyrinth-sealing between piston and cylinder
  • Y10T137/4393 - Screw feed

• US Classifications

  • 092 - Expansible chamber devices
  • 137 - Fluid handling
  • 184 - Lubrication
  • 251 - Valves and valve actuation