3710421

Information

• Patent Grant
• 3710421

• References
• Source

• Patent Number

  3,710,421

• Date Filed

  Not available

• Date Issued

  Tuesday, January 16, 1973
  52 years ago

• CPC

  • D01H5/385 - employing hydraulic or pneumatic time-delay devices
  • G01B13/06 - for measuring thickness

• US Classifications

  • 019 - Textiles: fiber preparation
  • 073 - Measuring and testing