1648437

Information

• Patent Grant
• 1648437

• References
• Source

• Patent Number

  1,648,437

• Date Filed

  Not available

• Date Issued

  Tuesday, November 8, 1927
  97 years ago

• CPC

  • D05B91/14 - Thread-spool pins
  • Y10T225/267 - Strand clamped against flange

• US Classifications

  • 242 - Winding, tensioning, or guiding
  • 225 - Severing by tearing or breaking