2707249

Information

• Patent Grant
• 2707249

• References
• Source

• Patent Number

  2,707,249

• Date Filed

  Not available

• Date Issued

  Tuesday, April 26, 1955
  69 years ago

• CPC

  • G05D16/2026 - with a plurality of throttling means
  • H01J7/42 - Means structurally associated with the tube or lamp for indicating defects or previous use
  • Y10T137/7722 - Line condition change responsive valves
  • Y10T137/86131 - Plural
  • Y10T137/86928 - Sequentially progressive opening or closing of plural valves

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 137 - Fluid handling
  • 141 - Fluent material handling, with receiver or receiver coacting means
  • 324 - Electricity: measuring and testing
  • 361 - Electricity: electrical systems and devices
  • 445 - Electric lamp or space discharge component or device manufacturing