492996

Information

• Patent Grant
• 492996

• References
• Source

• Patent Number

  492,996

• Date Filed

  Not available

• Date Issued

  Tuesday, March 7, 1893
  132 years ago

• CPC

  • C04B28/34 - containing cold phosphate binders
  • F24B1/04 - built-up from glazed tiles

• US Classifications

  • 126 - Stoves and furnaces