3899615

Information

• Patent Grant
• 3899615

• References
• Source

• Patent Number

  3,899,615

• Date Filed

  Not available

• Date Issued

  Tuesday, August 12, 1975
  49 years ago

• CPC

  • D21H23/72 - Plural serial stages only
  • B05C9/04 - for applying liquid or other fluent material to opposite sides of the work
  • D21H5/0055 - Plural parallel stages
  • D21H23/70 - Multistep processes Apparatus for adding one or several substances in portions or in various ways to the paper, not covered by another single group of this main group

• US Classifications

  • 427 - Coating processes
  • 118 - Coating apparatus