2155344

Information

• Patent Grant
• 2155344

• References
• Source

• Patent Number

  2,155,344

• Date Filed

  Not available

• Date Issued

  Tuesday, April 18, 1939
  85 years ago

• CPC

  • G05D23/1856 - with sensing element responsive to pressure or volume change in a confined fluid

• US Classifications

  • 340 - Communications: electrical
  • 236 - Automatic temperature and humidity regulation