1503972

Information

• Patent Grant
• 1503972

• References
• Source

• Patent Number

  1,503,972

• Date Filed

  Not available

• Date Issued

  Tuesday, August 5, 1924
  99 years ago

• CPC

  • F22B1/303 - with means for injecting or spraying water against electrodes or with means for water circulation

• US Classifications

  • 392 - Electric resistance heating devices