3923940

Information

• Patent Grant
• 3923940

• References
• Source

• Patent Number

  3,923,940

• Date Filed

  Not available

• Date Issued

  Tuesday, December 2, 1975
  49 years ago

• CPC

  • B29D99/0089 - Producing honeycomb structures
  • B28B1/002 - assembled from preformed elements
  • B28B1/40 - by wrapping
  • B28B7/34 - Moulds, cores, or mandrels of special material
  • Y10T428/24149 - Honeycomb-like

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 428 - Stock material or miscellaneous articles