1804427

Information

• Patent Grant
• 1804427

• References
• Source

• Patent Number

  1,804,427

• Date Filed

  Not available

• Date Issued

  Tuesday, May 12, 1931
  93 years ago

• CPC

  • A43D11/10 - Devices for holding the lacing portions in position during lasting
  • A43D31/04 - Machines for inserting shank stiffeners

• US Classifications

  • 012 - Boot and shoe making
  • 033 - Geometrical instruments