3553988

Information

• Patent Grant
• 3553988

• References
• Source

• Patent Number

  3,553,988

• Date Filed

  Not available

• Date Issued

  Tuesday, January 12, 1971
  54 years ago

• CPC

  • E05B35/001 - with key identifying function
  • Y10T70/7757 - Push or pull key operation
  • Y10T70/7853 - Tubular
  • Y10T70/8054 - With recorder

• US Classifications

  • 070 - Locks