3638274

Information

• Patent Grant
• 3638274

• References
• Source

• Patent Number

  3,638,274

• Date Filed

  Not available

• Date Issued

  Tuesday, February 1, 1972
  52 years ago

• CPC

  • B60S1/38 - Wiper blades
  • B60S2001/3832 - cleaning by rigid or semi-rigid scraping elements
  • B60S2001/3837 - with more than one wiping edge or lip

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning