3431619

Information

• Patent Grant
• 3431619

• References
• Source

• Patent Number

  3,431,619

• Date Filed

  Not available

• Date Issued

  Tuesday, March 11, 1969
  55 years ago

• CPC

  • B21D47/00 - Making rigid structural elements or units
  • B21D47/005 - Making gratings
  • Y10T29/53539 - including work conveyor
  • Y10T29/53961 - with work-holder for assembly

• US Classifications

  • 029 - Metal working
  • 227 - Elongated-member-driving apparatus