580621

Information

• Patent Grant
• 580621

• References
• Source

• Patent Number

  580,621

• Date Filed

  Not available

• Date Issued

  Tuesday, April 13, 1897
  127 years ago

• CPC

  • F22D7/04 - Injectors for water or steam

• US Classifications

  • 122 - Liquid heaters and vaporizers