3642357

Information

• Patent Grant
• 3642357

• References
• Source

• Patent Number

  3,642,357

• Date Filed

  Not available

• Date Issued

  Tuesday, February 15, 1972
  53 years ago

• CPC

  • G03B1/38 - embodying Geneva motion
  • G03B21/43 - Driving mechanisms

• US Classifications

  • 352 - Optics: motion pictures