3812001

Information

• Patent Grant
• 3812001

• References
• Source

• Patent Number

  3,812,001

• Date Filed

  Not available

• Date Issued

  Tuesday, May 21, 1974
  50 years ago

• CPC

  • A61F13/532 - inhomogeneous in the plane of the pad
  • A61F13/51476 - being three-dimensional
  • A61F2013/51409 - being a film
  • A61F2013/51492 - having specially shaped gas or air bubbles or bag-like structure
  • A61F2013/530131 - being made in fibre but being not pulp
  • A61F2013/530802 - characterized by the foam or sponge other than superabsorbent
  • A61F2013/5312 - with structure resisting compression
  • Y10T428/24661 - Forming, or cooperating to form cells
  • Y10T428/249964 - Fibers of defined composition
  • Y10T428/249965 - Cellulosic

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 005 - Beds
  • 206 - Special receptacle or package