3802085

Information

• Patent Grant
• 3802085

• References
• Source

• Patent Number

  3,802,085

• Date Filed

  Not available

• Date Issued

  Tuesday, April 9, 1974
  50 years ago

• CPC

  • G03B1/64 - by means which as certain the radius of the film coiled on a spool
  • G03B21/43 - Driving mechanisms

• US Classifications

  • 033 - Geometrical instruments
  • 116 - Signals and indicators