3874209

Information

• Patent Grant
• 3874209

• References
• Source

• Patent Number

  3,874,209

• Date Filed

  Not available

• Date Issued

  Tuesday, April 1, 1975
  49 years ago

• CPC

  • B21D51/2638 - Necking
  • B21D19/10 - working inwardly
  • B21D51/2615 - Edge treatment of cans or tins
  • B21D51/263 - Flanging

• US Classifications

  • 072 - Metal deforming