2898867

Information

• Patent Grant
• 2898867

• References
• Source

• Patent Number

  2,898,867

• Date Filed

  Not available

• Date Issued

  Tuesday, August 11, 1959
  65 years ago

• CPC

  • F04B53/1005 - being formed by two closure members working in series
  • F04B49/12 - by varying the length of stroke of the working members
  • F04B53/101 - having means for limiting the opening height
  • F04B53/164 - Stoffing boxes

• US Classifications

  • 417 - Pumps
  • 092 - Expansible chamber devices
  • 277 - Seal for a joint or juncture