3773411

Information

• Patent Grant
• 3773411

• References
• Source

• Patent Number

  3,773,411

• Date Filed

  Not available

• Date Issued

  Tuesday, November 20, 1973
  52 years ago

• CPC

  • G03B21/46 - affording adjustment for framing

• US Classifications

  • 352 - Optics: motion pictures
  • 226 - Advancing material of indeterminate length