1616687

Information

• Patent Grant
• 1616687

• References
• Source

• Patent Number

  1,616,687

• Date Filed

  Not available

• Date Issued

  Tuesday, February 8, 1927
  98 years ago

• CPC

  • G08B5/00 - Visible signalling systems
  • Y10S40/907 - Out-to-lunch

• US Classifications

  • 040 - Card, picture, or sign exhibiting