3876493

Information

• Patent Grant
• 3876493

• References
• Source

• Patent Number

  3,876,493

• Date Filed

  Not available

• Date Issued

  Tuesday, April 8, 1975
  49 years ago

• CPC

  • B26D3/006 - specially adapted for cutting blocs of plastic material
  • B29C44/5663 - by perforating the foam
  • B29L2031/608 - Honeycomb structures
  • B29L2031/751 - Mattresses, cushions
  • Y10T156/1056 - Perforating lamina
  • Y10T428/24165 - Hexagonally shaped cavities
  • Y10T428/24306 - Diamond or hexagonal

• US Classifications

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