1425660

Information

• Patent Grant
• 1425660

• References
• Source

• Patent Number

  1,425,660

• Date Filed

  Not available

• Date Issued

  Tuesday, August 15, 1922
  102 years ago

• CPC

  • C21D9/0018 - for charging, discharging or manipulation of charge
  • Y10S118/12 - Pipe and tube immersion

• US Classifications

  • 266 - Metallurgical apparatus
  • 118 - Coating apparatus
  • 219 - Electric heating