1830328

Information

• Patent Grant
• 1830328

• References
• Source

• Patent Number

  1,830,328

• Date Filed

  Not available

• Date Issued

  Tuesday, November 3, 1931
  93 years ago

• CPC

  • H03H3/02 - for the manufacture of piezo-electric or electrostrictive resonators or networks
  • H01L41/41 - by melting
  • Y10T29/42 - Piezoelectric device making

• US Classifications

  • 310 - Electrical generator or motor structure
  • 023 - Chemistry: physical processes
  • 029 - Metal working
  • 117 - Single-crystal, oriented-crystal, and epitaxy growth processes