1378150

Information

• Patent Grant
• 1378150

• References
• Source

• Patent Number

  1,378,150

• Date Filed

  Not available

• Date Issued

  Tuesday, May 17, 1921
  103 years ago

• CPC

  • A44B1/40 - with helical wire-shank screwed into material
  • Y10T24/3668 - Spiral fastener

• US Classifications

  • 024 - Buckles, buttons, clasps, etc.