2921559

Information

• Patent Grant
• 2921559

• References
• Source

• Patent Number

  2,921,559

• Date Filed

  Not available

• Date Issued

  Tuesday, January 19, 1960
  65 years ago

• CPC

  • F01B11/06 - for generating vibration only

• US Classifications

  • 091 - Motors: expansible chamber type
  • 092 - Expansible chamber devices