1959759

Information

• Patent Grant
• 1959759

• References
• Source

• Patent Number

  1,959,759

• Date Filed

  Not available

• Date Issued

  Tuesday, May 22, 1934
  91 years ago

• CPC

  • A47L9/19 - Means for monitoring filtering operation
  • Y10S15/11 - Indicators
  • Y10S55/34 - Indicator and controllers
  • Y10S116/42 - Oil filter

• US Classifications

  • 096 - Gas separation: apparatus
  • 015 - Brushing, scrubbing, and general cleaning
  • 055 - Gas separation
  • 116 - Signals and indicators
  • 417 - Pumps