1580278

Information

• Patent Grant
• 1580278

• References
• Source

• Patent Number

  1,580,278

• Date Filed

  Not available

• Date Issued

  Tuesday, April 13, 1926
  98 years ago

• CPC

  • B21D53/00 - Making other particular articles
  • A43D31/02 - Machines for making shank stiffeners
  • Y10T29/49922 - by bending over projecting prongs

• US Classifications

  • 029 - Metal working
  • 012 - Boot and shoe making
  • 036 - Boots, shoes, and leggings