3637300

Information

• Patent Grant
• 3637300

• References
• Source

• Patent Number

  3,637,300

• Date Filed

  Not available

• Date Issued

  Tuesday, January 25, 1972
  53 years ago

• CPC

  • G03B17/265 - specially adapted for motion picture film
  • G03B1/40 - embodying frictional coupling or clutches

• US Classifications

  • 352 - Optics: motion pictures
  • 396 - Photography