2721032

Information

• Patent Grant
• 2721032

• References
• Source

• Patent Number

  2,721,032

• Date Filed

  Not available

• Date Issued

  Tuesday, October 18, 1955
  69 years ago

• CPC

  • G06G1/0042 - for optics, for photography
  • G01J1/42 - using electric radiation detectors

• US Classifications

  • 235 - Registers