3439431

Information

• Patent Grant
• 3439431

• References
• Source

• Patent Number

  3,439,431

• Date Filed

  Not available

• Date Issued

  Tuesday, April 22, 1969
  55 years ago

• CPC

  • D06F58/266 - Microwave heating equipment
  • D06F58/28 - Controlling or regulating
  • G05D22/02 - characterised by the use of electric means
  • H03K17/292 - in thyristor, unijunction transistor or programmable unijunction transistor switches
  • D06F2058/2845 - by means of radiation
  • D06F2058/2896 - Timing in general; Timing of a part of the cycle

• US Classifications

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