2146138

Information

• Patent Grant
• 2146138

• References
• Source

• Patent Number

  2,146,138

• Date Filed

  Not available

• Date Issued

  Tuesday, February 7, 1939
  85 years ago

• CPC

  • G04B45/0023 - Inscriptions or pictures moved by the clockwork, e.g.for advertising
  • G09F23/16 - on clocks

• US Classifications

  • 040 - Card, picture, or sign exhibiting
  • 968 - Horology