1857456

Information

• Patent Grant
• 1857456

• References
• Source

• Patent Number

  1,857,456

• Date Filed

  Not available

• Date Issued

  Tuesday, May 10, 1932
  92 years ago

• CPC

  • C10H15/02 - with non-automatic carbide feed

• US Classifications

  • 048 - Gas: heating and illuminating
  • 222 - Dispensing