3857745

Information

• Patent Grant
• 3857745

• References
• Source

• Patent Number

  3,857,745

• Date Filed

  Not available

• Date Issued

  Tuesday, December 31, 1974
  50 years ago

• CPC

  • C14B1/00 - Manufacture of leather Machines or devices therefor
  • C14B2700/28 - Processes or apparatus for the mechanical treatment of hides or leather not provided for in groups C14B2700/01 - C14B2700/27
  • Y10T156/1033 - Flexible sheet to cylinder lamina
  • Y10T156/1051 - by folding
  • Y10T428/24264 - Particular fold structure [e.g., beveled, etc.]
  • Y10T428/24793 - Comprising discontinuous or differential impregnation or bond
  • Y10T428/24826 - Spot bonds connect components

• US Classifications

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