2497405

Information

• Patent Grant
• 2497405

• References
• Source

• Patent Number

  2,497,405

• Date Filed

  Not available

• Date Issued

  Tuesday, February 14, 1950
  75 years ago

• CPC

  • H01J40/14 - Circuit arrangements not adapted to a particular application of the tube and not otherwise provided for
  • E05B49/006 - actuating opto-electronic devices
  • H03F1/54 - with tubes only
  • Y10S70/51 - Light sensitive control means
  • Y10T70/10 - Miscellaneous

• US Classifications

  • 250 - Radiant energy
  • 070 - Locks
  • 359 - Optical: systems and elements