2022517

Information

• Patent Grant
• 2022517

• References
• Source

• Patent Number

  2,022,517

• Date Filed

  Not available

• Date Issued

  Tuesday, November 26, 1935
  89 years ago

• CPC

  • G01S11/023 - using impedance elements varying with distance
  • G01S13/08 - Systems for measuring distance only
  • G09F13/06 - using individual cut-out symbols or cut-out silhouettes

• US Classifications

  • 342 - Communications: directive radio wave systems and devices
  • 361 - Electricity: electrical systems and devices
  • 367 - Communications, electrical: acoustic wave systems and devices