3578855

Information

• Patent Grant
• 3578855

• References
• Source

• Patent Number

  3,578,855

• Date Filed

  Not available

• Date Issued

  Tuesday, May 18, 1971
  55 years ago

• CPC

  • G03B21/46 - affording adjustment for framing
  • Y10T74/18304 - Axial cam

• US Classifications

  • 352 - Optics: motion pictures
  • 074 - Machine element or mechanism