1636437

Information

• Patent Grant
• 1636437

• References
• Source

• Patent Number

  1,636,437

• Date Filed

  Not available

• Date Issued

  Tuesday, July 19, 1927
  98 years ago

• CPC

  • B60S3/006 - specially adapted for railway vehicles
  • A46B13/06 - with brush driven by the supplied medium

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning