1407775

Information

• Patent Grant
• 1407775

• References
• Source

• Patent Number

  1,407,775

• Date Filed

  Not available

• Date Issued

  Tuesday, February 28, 1922
  102 years ago

• CPC

  • F01B31/10 - Lubricating arrangements of steam engines
  • F16N39/04 - by heating

• US Classifications

  • 184 - Lubrication