3728646

Information

• Patent Grant
• 3728646

• References
• Source

• Patent Number

  3,728,646

• Date Filed

  Not available

• Date Issued

  Tuesday, April 17, 1973
  51 years ago

• CPC

  • H03H9/36 - with non-adjustable delay time
  • C03C3/076 - with 40% to 90% silica, by weight
  • C03C3/091 - containing aluminium
  • C03C3/102 - containing lead
  • C03C4/0057 - for ultrasonic delay lines glass

• US Classifications

  • 333 - Wave transmission lines and networks
  • 501 - Compositions: ceramic