3693580

Information

• Patent Grant
• 3693580

• References
• Source

• Patent Number

  3,693,580

• Date Filed

  Not available

• Date Issued

  Tuesday, September 26, 1972
  52 years ago

• CPC

  • G09D1/00 - Railway or like time or fare tables Indicating or reading aids therefor
  • Y10S16/13 - Plastic hinge

• US Classifications

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