2918271

Information

• Patent Grant
• 2918271

• References
• Source

• Patent Number

  2,918,271

• Date Filed

  Not available

• Date Issued

  Tuesday, December 22, 1959
  65 years ago

• CPC

  • B21F35/003 - Multi-filament springs
  • A47C7/32 - with tensioned cords
  • B21D11/14 - Twisting
  • B21F7/00 - Twisting wire Twisting wire together
  • F16F1/024 - Covers or coatings therefor
  • F16F1/04 - Wound springs
  • F16F7/14 - of cable support type
  • Y10T29/49611 - for vehicle or clutch
  • Y10T29/49613 - for human comfort
  • Y10T29/49874 - Prestressing rod, filament or strand

• US Classifications

  • 267 - Spring devices
  • 029 - Metal working
  • 057 - Textiles: spinning, twisting, and twining