3639178

Information

• Patent Grant
• 3639178

• References
• Source

• Patent Number

  3,639,178

• Date Filed

  Not available

• Date Issued

  Tuesday, February 1, 1972
  53 years ago

• CPC

  • F23D14/54 - for cutting or welding metal
  • Y10S266/904 - Blowpipe cutting heads

• US Classifications

  • 148 - Metal treatment
  • 266 - Metallurgical apparatus