3771188

Information

• Patent Grant
• 3771188

• References
• Source

• Patent Number

  3,771,188

• Date Filed

  Not available

• Date Issued

  Tuesday, November 13, 1973
  51 years ago

• CPC

  • E04D15/006 - for cleaning the roof
  • E01H5/10 - by application of heat for melting snow or ice, whether cleared or not, combined or not with clearing or removing mud or water
  • E01H5/12 - Apparatus or implements specially adapted for breaking, disintegrating, or loosening layers of ice or hard snow with or without clearing or removing ; Roughening ice or hard snow by means of tools
  • E01H10/007 - Mobile apparatus specially adapted for preparing or applying liquid or semi-liquid thawing material or spreading granular material on wintry roads
  • E04D13/103 - De-icing devices or snow melters

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning
  • 037 - Excavating
  • 219 - Electric heating
  • 401 - Coating implements with material supply