2422639

Information

• Patent Grant
• 2422639

• References
• Source

• Patent Number

  2,422,639

• Date Filed

  Not available

• Date Issued

  Tuesday, June 17, 1947
  77 years ago

• CPC

  • B06B1/168 - Rotary pendulum vibrators
  • Y10T74/18552 - Unbalanced weight

• US Classifications

  • 074 - Machine element or mechanism
  • 366 - Agitating
  • 601 - Surgery: kinesitherapy