1299024

Information

• Patent Grant
• 1299024

• References
• Source

• Patent Number

  1,299,024

• Date Filed

  Not available

• Date Issued

  Tuesday, April 1, 1919
  105 years ago

• CPC

  • G03B21/134 - Projectors combined with typing apparatus or with printing apparatus
  • Y10S242/913 - Safety device

• US Classifications

  • 353 - Optics: image projectors
  • 192 - Clutches and power-stop control
  • 242 - Winding, tensioning, or guiding
  • 352 - Optics: motion pictures