1630587

Information

• Patent Grant
• 1630587

• References
• Source

• Patent Number

  1,630,587

• Date Filed

  Not available

• Date Issued

  Tuesday, May 31, 1927
  97 years ago

• CPC

  • F27B9/022 - With two tracks moving in opposite directions
  • F27B9/082 - Muffle furnaces
  • F27B9/16 - the charge moving in a circular or arcuate path
  • F27D1/06 - Composite bricks or blocks

• US Classifications

  • 219 - Electric heating
  • 373 - Industrial electric heating furnaces
  • 392 - Electric resistance heating devices