3571683

Information

• Patent Grant
• 3571683

• References
• Source

• Patent Number

  3,571,683

• Date Filed

  Not available

• Date Issued

  Tuesday, March 23, 1971
  53 years ago

• CPC

  • G03B9/64 - Mechanism for delaying opening of shutter
  • G03B7/085 - for control of aperture
  • G05D3/149 - with clutch or brake

• US Classifications

  • 318 - Electricity: motive power systems