1808566

Information

• Patent Grant
• 1808566

• References
• Source

• Patent Number

  1,808,566

• Date Filed

  Not available

• Date Issued

  Tuesday, June 2, 1931
  93 years ago

• CPC

  • G03B17/16 - for containing both motion-picture camera and still-picture camera
  • G03B21/32 - Details specially adapted for motion-picture projection

• US Classifications

  • 352 - Optics: motion pictures