2783733

Information

• Patent Grant
• 2783733

• References
• Source

• Patent Number

  2,783,733

• Date Filed

  Not available

• Date Issued

  Tuesday, March 5, 1957
  67 years ago

• CPC

  • B01D49/006 - by sonic or ultrasonic techniques
  • G10K7/005 - Ultrasonic sirens
  • Y10S261/48 - Sonic vibrators

• US Classifications

  • 116 - Signals and indicators
  • 261 - Gas and liquid contact apparatus