660755

Information

• Patent Grant
• 660755

• References
• Source

• Patent Number

  660,755

• Date Filed

  Not available

• Date Issued

  Tuesday, October 30, 1900
  124 years ago

• CPC

  • F22B1/146 - Loffler boilers

• US Classifications

  • 122 - Liquid heaters and vaporizers
  • 062 - Refrigeration
  • 237 - Heating systems
  • 261 - Gas and liquid contact apparatus