3929284

Information

• Patent Grant
• 3929284

• References
• Source

• Patent Number

  3,929,284

• Date Filed

  Not available

• Date Issued

  Tuesday, December 30, 1975
  49 years ago

• CPC

  • G04C23/34 - with provision for automatic modification of the programme
  • G05D23/1904 - variable in time
  • G05D23/275 - with sensing element expanding, contracting, or fusing in response to changes of temperature

• US Classifications

  • 236 - Automatic temperature and humidity regulation
  • 165 - Heat exchange
  • 968 - Horology