1993688

Information

• Patent Grant
• 1993688

• References
• Source

• Patent Number

  1,993,688

• Date Filed

  Not available

• Date Issued

  Tuesday, March 5, 1935
  90 years ago

• CPC

  • F27B9/16 - the charge moving in a circular or arcuate path
  • F27B9/225 - the charge being subjected to an additional manipulation along the path
  • F27B2009/382 - Charging
  • F27D2009/0013 - the fluid being water

• US Classifications

  • 432 - Heating