3473972

Information

• Patent Grant
• 3473972

• References
• Source

• Patent Number

  3,473,972

• Date Filed

  Not available

• Date Issued

  Tuesday, October 21, 1969
  55 years ago

• CPC

  • B23K35/228 - Selection of materials for cutting

• US Classifications

  • 148 - Metal treatment
  • 175 - Boring or penetrating the earth
  • 431 - Combustion