3003370

Information

• Patent Grant
• 3003370

• References
• Source

• Patent Number

  3,003,370

• Date Filed

  Not available

• Date Issued

  Tuesday, October 10, 1961
  63 years ago

• CPC

  • B21K5/06 - Dressing
  • B23P15/28 - cutting tools
  • Y10S76/02 - Case hardening

• US Classifications

  • 148 - Metal treatment
  • 076 - Metal tools and implements, making
  • 175 - Boring or penetrating the earth