2857553

Information

• Patent Grant
• 2857553

• References
• Source

• Patent Number

  2,857,553

• Date Filed

  Not available

• Date Issued

  Tuesday, October 21, 1958
  66 years ago

• CPC

  • H01J29/78 - along a circle, spiral or rotating radial line
  • G01S1/02 - using radio waves

• US Classifications

  • 360 - Dynamic magnetic information storage or retrieval
  • 332 - Modulators
  • 380 - Cryptography