1252938

Information

• Patent Grant
• 1252938

• References
• Source

• Patent Number

  1,252,938

• Date Filed

  Not available

• Date Issued

  Tuesday, January 8, 1918
  106 years ago

• CPC

  • C10H21/16 - Removing sludge from generators

• US Classifications

  • 048 - Gas: heating and illuminating