3820208

Information

• Patent Grant
• 3820208

• References
• Source

• Patent Number

  3,820,208

• Date Filed

  Not available

• Date Issued

  Friday, June 28, 1974
  50 years ago

• CPC

  • H01L41/087 - formed as coaxial cables
  • H01G7/026 - with ceramic dielectric
  • H01L41/257 - by polarising
  • H01L41/33 - Shaping or machining of piezo-electric or electrostrictive bodies
  • Y10T29/42 - Piezoelectric device making

• US Classifications

  • 029 - Metal working
  • 310 - Electrical generator or motor structure
  • 367 - Communications, electrical: acoustic wave systems and devices