3720086

Information

• Patent Grant
• 3720086

• References
• Source

• Patent Number

  3,720,086

• Date Filed

  Not available

• Date Issued

  Tuesday, March 13, 1973
  51 years ago

• CPC

  • B21D53/50 - metal slide-fastener parts
  • Y10T29/49785 - of interlocking element

• US Classifications

  • 072 - Metal deforming
  • 029 - Metal working