893853

Information

• Patent Grant
• 893853

• References
• Source

• Patent Number

  893,853

• Date Filed

  Not available

• Date Issued

  Tuesday, July 21, 1908
  115 years ago

• CPC

  • A47L15/13 - using sonic or ultrasonic waves

• US Classifications

  • 261 - Gas and liquid contact apparatus
  • 417 - Pumps