3142034

Information

• Patent Grant
• 3142034

• References
• Source

• Patent Number

  3,142,034

• Date Filed

  Not available

• Date Issued

  Tuesday, July 21, 1964
  61 years ago

• CPC

  • G10K13/00 - Cones, diaphragms, or the like, for emitting or receiving sound in general
  • Y10S116/22 - Heated air
  • Y10S181/40 - Wave coupling

• US Classifications

  • 367 - Communications, electrical: acoustic wave systems and devices
  • 116 - Signals and indicators
  • 181 - Acoustics
  • 310 - Electrical generator or motor structure