1921486

Information

• Patent Grant
• 1921486

• References
• Source

• Patent Number

  1,921,486

• Date Filed

  Not available

• Date Issued

  Tuesday, August 8, 1933
  91 years ago

• CPC

  • B21H8/00 - Rolling metal of indefinite length in repetitive shapes specially designed for the manufacture of particular objects
  • B44B5/0004 - characterised by the movement of the embossing tool(s), or the movement of the work, during the embossing operation
  • B44B5/026 - Dies

• US Classifications

  • 072 - Metal deforming