3469951

Information

• Patent Grant
• 3469951

• References
• Source

• Patent Number

  3,469,951

• Date Filed

  Not available

• Date Issued

  Tuesday, September 30, 1969
  55 years ago

• CPC

  • F16G1/20 - made of a single metal strip
  • A44C5/0061 - essentially made from metal
  • B21D53/00 - Making other particular articles
  • Y10S428/927 - Decorative informative
  • Y10T428/12326 - with provision for limited relative movement between components
  • Y10T428/12333 - Helical or with helical component

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 063 - Jewelry
  • 138 - Pipes and tubular conduits