1502401

Information

• Patent Grant
• 1502401

• References
• Source

• Patent Number

  1,502,401

• Date Filed

  Not available

• Date Issued

  Tuesday, July 22, 1924
  100 years ago

• CPC

  • G03B41/12 - with oscillating transmitting member
  • G03B23/10 - drum or disc carrier

• US Classifications

  • 352 - Optics: motion pictures
  • 396 - Photography