1793559

Information

• Patent Grant
• 1793559

• References
• Source

• Patent Number

  1,793,559

• Date Filed

  Not available

• Date Issued

  Tuesday, February 24, 1931
  94 years ago

• CPC

  • B65H23/0256 - with opposed helicoidal windings

• US Classifications

  • 242 - Winding, tensioning, or guiding
  • 246 - Railway switches and signals
  • 492 - Roll or roller