2034014

Information

• Patent Grant
• 2034014

• References
• Source

• Patent Number

  2,034,014

• Date Filed

  Not available

• Date Issued

  Tuesday, March 17, 1936
  88 years ago

• CPC

  • H04R1/36 - by using a single aperture of dimensions not greater than the shortest operating wavelength
  • H04R1/323 - for loudspeakers

• US Classifications

  • 181 - Acoustics
  • 330 - Amplifiers