3855524

Information

• Patent Grant
• 3855524

• References
• Source

• Patent Number

  3,855,524

• Date Filed

  Not available

• Date Issued

  Tuesday, December 17, 1974
  50 years ago

• CPC

  • G01B7/107 - for measuring objects while moving
  • G01B5/0002 - Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
  • G01B13/06 - for measuring thickness
  • G01B2210/42 - with one or more detectors on a single side of the object to be measured and with a backing surface of support or reference on the other side
  • G01B2210/62 - Support for workpiece air film or bearing with positive or negative pressure

• US Classifications

  • 324 - Electricity: measuring and testing