3302210

Information

• Patent Grant
• 3302210

• References
• Source

• Patent Number

  3,302,210

• Date Filed

  Not available

• Date Issued

  Tuesday, January 31, 1967
  57 years ago

• CPC

  • G01S7/60 - for providing a permanent recording
  • H01H36/0053 - periodically operated

• US Classifications

  • 346 - Recorders
  • 367 - Communications, electrical: acoustic wave systems and devices