1577949

Information

• Patent Grant
• 1577949

• References
• Source

• Patent Number

  1,577,949

• Date Filed

  Not available

• Date Issued

  Tuesday, March 23, 1926
  98 years ago

• CPC

  • B42F1/08 - of round cross-section
  • Y10T24/44812 - Convolutions of coil form faces

• US Classifications

  • 024 - Buckles, buttons, clasps, etc.
  • 040 - Card, picture, or sign exhibiting