2974705

Information

• Patent Grant
• 2974705

• References
• Source

• Patent Number

  2,974,705

• Date Filed

  Not available

• Date Issued

  Tuesday, March 14, 1961
  63 years ago

• CPC

  • B21F33/04 - Connecting ends of helical springs for mattresses
  • Y10T83/4645 - With means to clamp work during dwell
  • Y10T83/5742 - Clamp moved by direct impact of tool or tool support

• US Classifications

  • 140 - Wireworking
  • 083 - Cutting