1986324

Information

• Patent Grant
• 1986324

• References
• Source

• Patent Number

  1,986,324

• Date Filed

  Not available

• Date Issued

  Tuesday, January 1, 1935
  90 years ago

• CPC

  • B61F17/26 - by external feeding means

• US Classifications

  • 184 - Lubrication
  • 138 - Pipes and tubular conduits