2822135

Information

• Patent Grant
• 2822135

• References
• Source

• Patent Number

  2,822,135

• Date Filed

  Not available

• Date Issued

  Tuesday, February 4, 1958
  68 years ago

• CPC

  • G05D23/127 - to control a gaseous fluid circulation
  • Y10T74/18992 - Reciprocating to reciprocating

• US Classifications

  • 236 - Automatic temperature and humidity regulation
  • 074 - Machine element or mechanism
  • 251 - Valves and valve actuation