1752390

Information

• Patent Grant
• 1752390

• References
• Source

• Patent Number

  1,752,390

• Date Filed

  Not available

• Date Issued

  Tuesday, April 1, 1930
  94 years ago

• CPC

  • G05D23/125 - the sensing element being placed outside a regulating fluid flow
  • Y10S236/16 - Relief spring

• US Classifications

  • 236 - Automatic temperature and humidity regulation