1971976

Information

• Patent Grant
• 1971976

• References
• Source

• Patent Number

  1,971,976

• Date Filed

  Not available

• Date Issued

  Tuesday, August 28, 1934
  90 years ago

• CPC

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

• US Classifications

  • 184 - Lubrication