3793791

Information

• Patent Grant
• 3793791

• References
• Source

• Patent Number

  3,793,791

• Date Filed

  Not available

• Date Issued

  Tuesday, February 26, 1974
  50 years ago

• CPC

  • E04C2/3405 - spaced apart by profiled spacer sheets
  • B65D65/38 - Packaging materials of special type or form
  • B65D65/406 - with at least one layer provided with a relief other than corrugations
  • E04C2002/3472 - with multiple layers of profiled spacer sheets
  • E04C2002/3494 - Apparatus for making profiled spacer sheets
  • Y10T156/1056 - Perforating lamina
  • Y10T428/24289 - Embedded or interlocked

• US Classifications

  • 052 - Static structures
  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 220 - Receptacles
  • 229 - Envelopes, wrappers, and paperboard boxes
  • 428 - Stock material or miscellaneous articles