2676272

Information

• Patent Grant
• 2676272

• References
• Source

• Patent Number

  2,676,272

• Date Filed

  Not available

• Date Issued

  Tuesday, April 20, 1954
  72 years ago

• CPC

  • G03B21/32 - Details specially adapted for motion-picture projection
  • G03B21/34 - Change-over arrangements
  • Y10T307/747 - Plural switches

• US Classifications

  • 307 - Electrical transmission or interconnection systems
  • 330 - Amplifiers
  • 352 - Optics: motion pictures
  • 369 - Dynamic information storage or retrieval