3619728

Information

• Patent Grant
• 3619728

• References
• Source

• Patent Number

  3,619,728

• Date Filed

  Not available

• Date Issued

  Tuesday, November 9, 1971
  53 years ago

• CPC

  • G06K7/085 - metal detectors
  • G07C9/00722 - with magnetic components
  • Y10T307/477 - Code-controlled

• US Classifications

  • 361 - Electricity: electrical systems and devices
  • 307 - Electrical transmission or interconnection systems