216313

Information

• Patent Grant
• 216313

• References
• Source

• Patent Number

  216,313

• Date Filed

  Not available

• Date Issued

  Tuesday, June 10, 1879
  145 years ago

• CPC

  • F24F11/053 - by means responsive to temperature
  • Y10S47/903 - Operator means for cold frame or window

• US Classifications

  • 236 - Automatic temperature and humidity regulation
  • 047 - Plant husbandry
  • 049 - Movable or removable closures