1400724

Information

• Patent Grant
• 1400724

• References
• Source

• Patent Number

  1,400,724

• Date Filed

  Not available

• Date Issued

  Tuesday, December 20, 1921
  103 years ago

• CPC

  • B21F15/04 - without additional connecting elements or material
  • Y10T74/1573 - Power stroke

• US Classifications

  • 140 - Wireworking
  • 074 - Machine element or mechanism