1328658

Information

• Patent Grant
• 1328658

• References
• Source

• Patent Number

  1,328,658

• Date Filed

  Not available

• Date Issued

  Tuesday, January 20, 1920
  105 years ago

• CPC

  • B27K1/02 - Apparatus
  • B27K3/0278 - involving an additional treatment during or after impregnation
  • B27K5/0075 - Vacuum
  • B27K2240/10 - Extraction of components naturally occurring in wood, cork, straw, cane or reed
  • F26B2210/16 - Wood

• US Classifications

  • 034 - Drying and gas or vapor contact with solids
  • 134 - Cleaning and liquid contact with solids