2457894

Information

• Patent Grant
• 2457894

• References
• Source

• Patent Number

  2,457,894

• Date Filed

  Not available

• Date Issued

  Tuesday, January 4, 1949
  75 years ago

• CPC

  • C10H15/06 - with automatic carbide feed by valves

• US Classifications

  • 048 - Gas: heating and illuminating
  • 185 - Motors: spring, weight, or animal powered