1447136

Information

• Patent Grant
• 1447136

• References
• Source

• Patent Number

  1,447,136

• Date Filed

  Not available

• Date Issued

  Tuesday, February 27, 1923
  101 years ago

• CPC

  • G05D16/0683 - using a spring-loaded membrane
  • F21V37/00 - Details of lighting devices employing combustion as light source, not otherwise provided for Night lamps Votive lamps
  • F21V37/0054 - Controlling means
  • Y10T137/86413 - Self-cycling

• US Classifications

  • 137 - Fluid handling