2288607

Information

• Patent Grant
• 2288607

• References
• Source

• Patent Number

  2,288,607

• Date Filed

  Not available

• Date Issued

  Tuesday, July 7, 1942
  82 years ago

• CPC

  • H04R1/42 - Combinations of transducers with fluid-pressure or other non-electrical amplifying means
  • Y10T137/2822 - Auxiliary liquid trap seal

• US Classifications

  • 381 - Electrical audio signal processing systems and devices
  • 137 - Fluid handling