2153522

Information

• Patent Grant
• 2153522

• References
• Source

• Patent Number

  2,153,522

• Date Filed

  Not available

• Date Issued

  Tuesday, April 4, 1939
  86 years ago

• CPC

  • B60S1/3429 - Arm pieces
  • B60S1/4038 - for arms provided with a channel-shaped end
  • B60S1/4064 - the channel-shaped end being provided with protrusions on, or holes in, the side walls to create a pivot
  • B60S1/4083 - for arms provided with a flat end
  • B60S2001/4093 - characterised by the mounting of the pivot on the main yoke of the blade
  • Y10T403/32442 - At least one discrete position
  • Y10T403/32451 - Step-by-step adjustment
  • Y10T403/32491 - Threaded

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning
  • 403 - Joints and connections