3893353

Information

• Patent Grant
• 3893353

• References
• Source

• Patent Number

  3,893,353

• Date Filed

  Not available

• Date Issued

  Tuesday, July 8, 1975
  50 years ago

• CPC

  • B23B51/06 - Drills with lubricating or cooling equipment
  • B21H3/10 - twist-drills screw-taps

• US Classifications

  • 076 - Metal tools and implements, making