931980

Information

• Patent Grant
• 931980

• References
• Source

• Patent Number

  931,980

• Date Filed

  Not available

• Date Issued

  Tuesday, August 24, 1909
  115 years ago

• CPC

  • F22D7/04 - Injectors for water or steam

• US Classifications

  • 122 - Liquid heaters and vaporizers
  • 126 - Stoves and furnaces
  • 208 - Mineral oils: processes and products
  • 261 - Gas and liquid contact apparatus