2659881

Information

• Patent Grant
• 2659881

• References
• Source

• Patent Number

  2,659,881

• Date Filed

  Not available

• Date Issued

  Tuesday, November 17, 1953
  71 years ago

• CPC

  • B02C23/04 - Safety devices
  • G01P13/0073 - by using vibrations generated by the fluid

• US Classifications

  • 340 - Communications: electrical
  • 241 - Solid material comminution or disintegration