2262252

Information

• Patent Grant
• 2262252

• References
• Source

• Patent Number

  2,262,252

• Date Filed

  Not available

• Date Issued

  Tuesday, November 11, 1941
  83 years ago

• CPC

  • F23L13/08 - operating as a roller blind operating as a venetian blind
  • F23K3/14 - feeding by screw
  • Y10T137/7832 - Plural valves biased closed

• US Classifications

  • 236 - Automatic temperature and humidity regulation
  • 109 - Safes, bank protection, or a related device
  • 110 - Furnaces
  • 137 - Fluid handling