3182307

Information

• Patent Grant
• 3182307

• References
• Source

• Patent Number

  3,182,307

• Date Filed

  Not available

• Date Issued

  Tuesday, May 4, 1965
  59 years ago

• CPC

  • G10K1/066 - the sounding member being a tube, plate or rod

• US Classifications

  • 340 - Communications: electrical
  • D10 - Measuring, testing, or signalling instruments