1219963

Information

• Patent Grant
• 1219963

• References
• Source

• Patent Number

  1,219,963

• Date Filed

  Not available

• Date Issued

  Tuesday, March 20, 1917
  107 years ago

• CPC

  • F27D25/003 - used for punching tuyeres

• US Classifications

  • 266 - Metallurgical apparatus