3138397

Information

• Patent Grant
• 3138397

• References
• Source

• Patent Number

  3,138,397

• Date Filed

  Not available

• Date Issued

  Tuesday, June 23, 1964
  60 years ago

• CPC

  • B25B21/002 - for special purposes
  • Y10T74/19716 - Non-linear screw
  • Y10T74/19828 - Worm
  • Y10T292/0802 - Sliding and rotary

• US Classifications

  • 081 - Tools
  • 074 - Machine element or mechanism
  • 292 - Closure fasteners