2657021

Information

• Patent Grant
• 2657021

• References
• Source

• Patent Number

  2,657,021

• Date Filed

  Not available

• Date Issued

  Tuesday, October 27, 1953
  71 years ago

• CPC

  • B01J19/10 - employing sonic or ultrasonic vibrations
  • B01F11/0208 - the vibrations being generated inside a mixing device without external drive
  • G10K7/005 - Ultrasonic sirens
  • Y10S116/19 - Wave generator with resonating element

• US Classifications

  • 366 - Agitating
  • 116 - Signals and indicators
  • 241 - Solid material comminution or disintegration
  • 340 - Communications: electrical