2038274

Information

• Patent Grant
• 2038274

• References
• Source

• Patent Number

  2,038,274

• Date Filed

  Not available

• Date Issued

  Tuesday, April 21, 1936
  88 years ago

• CPC

  • A43B21/36 - characterised by their attachment Securing devices for the attaching means
  • A43B21/24 - characterised by the constructive form
  • A43D31/04 - Machines for inserting shank stiffeners
  • Y10T29/49833 - Punching, piercing or reaming part by surface of second part
  • Y10T29/49917 - by necking in cup or tube wall
  • Y10T29/49922 - by bending over projecting prongs
  • Y10T29/49938 - Radially expanding part in cavity, aperture, or hollow body
  • Y10T29/4994 - Radially expanding internal tube
  • Y10T29/53987 - Tube, sleeve or ferrule

• US Classifications

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