1405884

Information

• Patent Grant
• 1405884

• References
• Source

• Patent Number

  1,405,884

• Date Filed

  Not available

• Date Issued

  Tuesday, February 7, 1922
  103 years ago

• CPC

  • G07F17/163 - for film projection apparatus

• US Classifications

  • 194 - Check-actuated control mechanisms
  • 226 - Advancing material of indeterminate length