3921445

Information

• Patent Grant
• 3921445

• References
• Source

• Patent Number

  3,921,445

• Date Filed

  Not available

• Date Issued

  Tuesday, November 25, 1975
  49 years ago

• CPC

  • G01L5/226 - to manipulators
  • B25J19/021 - Optical sensing devices
  • G01L1/24 - by measuring variations of optical properties of material when it is stressed
  • G01L5/163 - of potentiometers
  • G01L5/166 - using photoelectric means

• US Classifications

  • 073 - Measuring and testing
  • 414 - Material or article handling
  • 901 - Robots