3310821

Information

• Patent Grant
• 3310821

• References
• Source

• Patent Number

  3,310,821

• Date Filed

  Not available

• Date Issued

  Tuesday, March 28, 1967
  57 years ago

• CPC

  • B23G9/002 - Slotting screw heads or shanks
  • Y10T29/5177 - and work-holder for assembly

• US Classifications

  • 470 - Threaded, headed fastener, or washer making: process and apparatus
  • 029 - Metal working