3144887

Information

• Patent Grant
• 3144887

• References
• Source

• Patent Number

  3,144,887

• Date Filed

  Not available

• Date Issued

  Tuesday, August 18, 1964
  60 years ago

• CPC

  • F16D71/02 - comprising auxiliary means for producing the final movement
  • B21F27/04 - Manufacturing on machines with rotating blades or formers
  • B21F33/04 - Connecting ends of helical springs for mattresses

• US Classifications

  • 140 - Wireworking
  • 060 - Power plants