2878990

Information

• Patent Grant
• 2878990

• References
• Source

• Patent Number

  2,878,990

• Date Filed

  Not available

• Date Issued

  Tuesday, March 24, 1959
  65 years ago

• CPC

  • F04B39/0292 - Lubrication of pistons or cylinders
  • F04B39/045 - Labyrinth-sealing between piston and cylinder

• US Classifications

  • 092 - Expansible chamber devices
  • 184 - Lubrication
  • 277 - Seal for a joint or juncture