3816938

Information

• Patent Grant
• 3816938

• References
• Source

• Patent Number

  3,816,938

• Date Filed

  Not available

• Date Issued

  Tuesday, June 18, 1974
  50 years ago

• CPC

  • F26B21/006 - the gas supply or exhaust being effected through hollow spaces or cores in the materials or objects
  • C23D7/00 - Treating the coatings
  • F26B3/34 - by using electrical effects
  • F26B3/343 - in combination with convection

• US Classifications

  • 034 - Drying and gas or vapor contact with solids
  • 118 - Coating apparatus
  • 219 - Electric heating