429774

Information

• Patent Grant
• 429774

• References
• Source

• Patent Number

  429,774

• Date Filed

  Not available

• Date Issued

  Tuesday, June 10, 1890
  134 years ago

• CPC

  • F01K3/267 - by mixing with steam

• US Classifications

  • 060 - Power plants
  • 237 - Heating systems