3017971

Information

• Patent Grant
• 3017971

• References
• Source

• Patent Number

  3,017,971

• Date Filed

  Not available

• Date Issued

  Tuesday, January 23, 1962
  62 years ago

• CPC

  • E04C2/365 - by honeycomb structures
  • B21D47/00 - Making rigid structural elements or units
  • B64C3/00 - Wings
  • B64C2700/6236 - Honeycomb stiffeners
  • Y10T29/49879 - Spaced wall tube or receptacle
  • Y10T428/1234 - Honeycomb, or with grain orientation or elongated elements in defined angular relationship in respective components [e.g., parallel, inter- secting, etc.]
  • Y10T428/12347 - Plural layers discontinuously bonded [e.g., spot-weld, mechanical fastener, etc.]
  • Y10T428/12354 - Nonplanar, uniform-thickness material having symmetrical channel shape or reverse fold [e.g., making acute angle, etc.]
  • Y10T428/24149 - Honeycomb-like
  • Y10T428/24165 - Hexagonally shaped cavities

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 029 - Metal working
  • 052 - Static structures