3452897

Information

• Patent Grant
• 3452897

• References
• Source

• Patent Number

  3,452,897

• Date Filed

  Not available

• Date Issued

  Tuesday, July 1, 1969
  55 years ago

• CPC

  • B21D51/2661 - Sealing or closing means therefor
  • B21D51/16 - characterised by the use of the objects
  • B21D51/34 - by pressing
  • B65D7/38 - formed by soldering, welding, or otherwise uniting opposed surfaces

• US Classifications

  • 220 - Receptacles
  • 413 - Sheet metal container making