3628032

Information

• Patent Grant
• 3628032

• References
• Source

• Patent Number

  3,628,032

• Date Filed

  Not available

• Date Issued

  Tuesday, December 14, 1971
  52 years ago

• CPC

  • G01D5/40 - specially adapted for use with infra-red light
  • G01B11/043 - for measuring length

• US Classifications

  • 250 - Radiant energy
  • 356 - Optics: measuring and testing