3728894

Information

• Patent Grant
• 3728894

• References
• Source

• Patent Number

  3,728,894

• Date Filed

  Not available

• Date Issued

  Tuesday, April 24, 1973
  51 years ago

• CPC

  • G01B13/20 - for measuring areas
  • B65H63/067 - using fluid sensing means
  • D01H5/38 - in response to irregularities in material; Measuring irregularities
  • D01H13/22 - responsive to presence of irregularities in running material
  • F15C1/005 - for measurement techniques
  • G01B13/08 - for measuring diameters
  • B65H2701/31 - Textiles threads or artificial strands of filaments

• US Classifications

  • 073 - Measuring and testing