3809851

Information

• Patent Grant
• 3809851

• References
• Source

• Patent Number

  3,809,851

• Date Filed

  Not available

• Date Issued

  Tuesday, May 7, 1974
  50 years ago

• CPC

  • D06F71/34 - Heating arrangements Arrangements for supplying or removing steam or other gases
  • D06F71/026 - the upper movable member rotating about a fixed axis
  • D06F71/323 - Protective devices

• US Classifications

  • 219 - Electric heating