3707253

Information

• Patent Grant
• 3707253

• References
• Source

• Patent Number

  3,707,253

• Date Filed

  Not available

• Date Issued

  Tuesday, December 26, 1972
  52 years ago

• CPC

  • G03B1/32 - Friction grippers or rollers
  • G03B1/18 - moving film strip by means which act on the film between the ends thereof

• US Classifications

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