1857702

Information

• Patent Grant
• 1857702

• References
• Source

• Patent Number

  1,857,702

• Date Filed

  Not available

• Date Issued

  Tuesday, May 10, 1932
  92 years ago

• CPC

  • F27D19/00 - Arrangements of controlling devices
  • F27B5/14 - Arrangements of heating devices
  • F27D2019/0037 - Quantity of electric current
  • F27D2019/0056 - Regulation involving cooling
  • F27D2019/0068 - Regulation involving a measured inflow of a particular gas in the enclosure

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 034 - Drying and gas or vapor contact with solids
  • 219 - Electric heating