3372501

Information

• Patent Grant
• 3372501

• References
• Source

• Patent Number

  3,372,501

• Date Filed

  Not available

• Date Issued

  Tuesday, March 12, 1968
  56 years ago

• CPC

  • G09F9/377 - the positions of the elements being controlled by pneumatic means
  • G09G3/16 - by control of light from an independent source
  • Y10S116/28 - Push button structure

• US Classifications

  • 040 - Card, picture, or sign exhibiting
  • 116 - Signals and indicators