3871953

Information

• Patent Grant
• 3871953

• References
• Source

• Patent Number

  3,871,953

• Date Filed

  Not available

• Date Issued

  Tuesday, March 18, 1975
  49 years ago

• CPC

  • C04B35/111 - Fine ceramics
  • B28B23/22 - assembled from preformed parts
  • C04B35/63 - using additives specially adapted for forming the products, e.g.. binder binders
  • D21F1/483 - Drainage foils and bars
  • D21F1/523 - Covers thereof
  • D21G3/00 - Doctors
  • D21G3/005 - Doctor knifes

• US Classifications

  • 162 - Paper making and fiber liberation
  • 015 - Brushing, scrubbing, and general cleaning