1491314

Information

• Patent Grant
• 1491314

• References
• Source

• Patent Number

  1,491,314

• Date Filed

  Not available

• Date Issued

  Tuesday, April 22, 1924
  100 years ago

• CPC

  • B21D53/00 - Making other particular articles
  • B21D51/00 - Making hollow objects
  • B21D51/04 - built-up objects

• US Classifications

  • 405 - Hydraulic and earth engineering