3820368

Information

• Patent Grant
• 3820368

• References
• Source

• Patent Number

  3,820,368

• Date Filed

  Not available

• Date Issued

  Friday, June 28, 1974
  50 years ago

• CPC

  • B21D22/203 - of compound articles
  • B21D22/28 - of cylindrical articles using consecutive dies

• US Classifications

  • 072 - Metal deforming
  • 413 - Sheet metal container making