1804038

Information

• Patent Grant
• 1804038

• References
• Source

• Patent Number

  1,804,038

• Date Filed

  Not available

• Date Issued

  Tuesday, May 5, 1931
  94 years ago

• CPC

  • B61C17/08 - Lubrication systems
  • B61C9/04 - consisting of cranked axles and coupling rods
  • Y10T74/2143 - Radial

• US Classifications

  • 074 - Machine element or mechanism
  • 105 - Railway rolling stock
  • 384 - Bearings