2586641

Information

• Patent Grant
• 2586641

• References
• Source

• Patent Number

  2,586,641

• Date Filed

  Not available

• Date Issued

  Tuesday, February 19, 1952
  72 years ago

• CPC

  • G09F23/16 - on clocks
  • G04B37/122 - used as a mirror
  • G04B45/0023 - Inscriptions or pictures moved by the clockwork, e.g.for advertising
  • Y10S40/90 - Mirror that has changing effect

• US Classifications

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