2178068

Information

• Patent Grant
• 2178068

• References
• Source

• Patent Number

  2,178,068

• Date Filed

  Not available

• Date Issued

  Tuesday, October 31, 1939
  85 years ago

• CPC

  • B64D15/16 - by mechanical means
  • B64D2700/6214 - by mechanical means

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning
  • 052 - Static structures