3815709

Information

• Patent Grant
• 3815709

• References
• Source

• Patent Number

  3,815,709

• Date Filed

  Not available

• Date Issued

  Tuesday, June 11, 1974
  50 years ago

• CPC

  • B21B35/147 - Lubrication of spindle couplings
  • F16N13/20 - Rotary pumps

• US Classifications

  • 184 - Lubrication
  • 418 - Rotary expansible chamber devices