3393421

Information

• Patent Grant
• 3393421

• References
• Source

• Patent Number

  3,393,421

• Date Filed

  Not available

• Date Issued

  Tuesday, July 23, 1968
  56 years ago

• CPC

  • B60S1/4006 - for arms provided with a hook-shaped end
  • B60S1/40 - Connections between blades and arms
  • B60S1/42 - resilient
  • B60S2001/4096 - Connections between arm and blade not using a cylindrical pivot axis on the blade

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning