3925917

Information

• Patent Grant
• 3925917

• References
• Source

• Patent Number

  3,925,917

• Date Filed

  Not available

• Date Issued

  Tuesday, December 16, 1975
  49 years ago

• CPC

  • G09F11/295 - Electric control therefor
  • G03B31/02 - in which sound track is on a moving-picture film
  • G04B19/262 - with indicators for astrological informations
  • G04B45/0023 - Inscriptions or pictures moved by the clockwork, e.g.for advertising
  • G04C19/04 - by indicating members moved electrically
  • G09B27/00 - Planetaria Globes
  • G09F11/29 - of a band other than endless

• US Classifications

  • 040 - Card, picture, or sign exhibiting
  • 353 - Optics: image projectors
  • 368 - Horology: time measuring systems or devices
  • 968 - Horology