1292749

Information

• Patent Grant
• 1292749

• References
• Source

• Patent Number

  1,292,749

• Date Filed

  Not available

• Date Issued

  Tuesday, January 28, 1919
  106 years ago

• CPC

  • F27B7/2075 - Removing incrustations
  • F27D25/001 - comprising breaking tools

• US Classifications

  • 432 - Heating