3000687

Information

• Patent Grant
• 3000687

• References
• Source

• Patent Number

  3,000,687

• Date Filed

  Not available

• Date Issued

  Tuesday, September 19, 1961
  63 years ago

• CPC

  • G07C7/00 - Details or accessories common to the registering or indicating apparatus of groups G07C3/00 and G07C5/00
  • Y10T70/7446 - Multiple keys
  • Y10T70/8054 - With recorder

• US Classifications

  • 346 - Recorders
  • 070 - Locks