3602020

Information

• Patent Grant
• 3602020

• References
• Source

• Patent Number

  3,602,020

• Date Filed

  Not available

• Date Issued

  Tuesday, August 31, 1971
  54 years ago

• CPC

  • E05B37/00 - Permutation or combination locks Puzzle locks
  • Y10T70/5518 - Connections only
  • Y10T70/7057 - Permanent magnet
  • Y10T70/7576 - Sliding and rotary plug
  • Y10T70/7751 - With ball or roller
  • Y10T70/7904 - Magnetic features
  • Y10T292/1028 - Sliding catch

• US Classifications

  • 070 - Locks
  • 292 - Closure fasteners