1693870

Information

• Patent Grant
• 1693870

• References
• Source

• Patent Number

  1,693,870

• Date Filed

  Not available

• Date Issued

  Tuesday, December 4, 1928
  96 years ago

• CPC

  • F27D3/028 - Roller rails or succession of small sized rollers

• US Classifications

  • 193 - Conveyors, chutes, skids, guides, and ways
  • 384 - Bearings