3840333

Information

• Patent Grant
• 3840333

• References
• Source

• Patent Number

  3,840,333

• Date Filed

  Not available

• Date Issued

  Tuesday, October 8, 1974
  50 years ago

• CPC

  • F27B7/34 - Arrangements of heating devices
  • F27B7/162 - the projections consisting of separate lifting elements
  • F27B2007/168 - Annular partition
  • F27B2007/262 - A gear ring combined with a dented wheel drive

• US Classifications

  • 432 - Heating