3687797

Information

• Patent Grant
• 3687797

• References
• Source

• Patent Number

  3,687,797

• Date Filed

  Not available

• Date Issued

  Tuesday, August 29, 1972
  52 years ago

• CPC

  • B31D1/0075 - by assembling
  • A41D31/02 - of layered materials
  • Y10T428/24463 - Plural paper components
  • Y10T428/24826 - Spot bonds connect components
  • Y10T428/24942 - including components having same physical characteristic in differing degree
  • Y10T428/249966 - Plural cellulosic components
  • Y10T428/249981 - Plural void-containing components
  • Y10T428/26 - Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
  • Y10T428/27 - Web or sheet containing structurally defined element or component, the element or component having a specified weight per unit area [e.g., gms/sq cm, lbs/sq ft, etc.]

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 156 - Adhesive bonding and miscellaneous chemical manufacture