3842796

Information

• Patent Grant
• 3842796

• References
• Source

• Patent Number

  3,842,796

• Date Filed

  Not available

• Date Issued

  Tuesday, October 22, 1974
  50 years ago

• CPC

  • B27K3/04 - Impregnating in open tanks
  • B27K3/0207 - Pretreatment of wood before impregnation
  • B27K3/08 - Impregnating by pressure
  • B27K3/0285 - for improving the penetration of the impregnating fluid

• US Classifications

  • 118 - Coating apparatus
  • 134 - Cleaning and liquid contact with solids
  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing