3347077

Information

• Patent Grant
• 3347077

• References
• Source

• Patent Number

  3,347,077

• Date Filed

  Not available

• Date Issued

  Tuesday, October 17, 1967
  57 years ago

• CPC

  • B21H3/00 - Making helical bodies or bodies having parts of helical shape
  • B21H3/10 - twist-drills screw-taps

• US Classifications

  • 072 - Metal deforming
  • 076 - Metal tools and implements, making