3909872

Information

• Patent Grant
• 3909872

• References
• Source

• Patent Number

  3,909,872

• Date Filed

  Not available

• Date Issued

  Tuesday, October 7, 1975
  49 years ago

• CPC

  • F04B43/0054 - particularities of the flexible members
  • B60S1/482 - combined with the operation of windscreen wipers
  • F04B9/1207 - using a source of partial vacuum or sub-atmospheric pressure

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning
  • 200 - Electricity: circuit makers and breakers
  • 417 - Pumps