374784

Information

• Patent Grant
• 374784

• References
• Source

• Patent Number

  374,784

• Date Filed

  Not available

• Date Issued

  Tuesday, December 13, 1887
  137 years ago

• CPC

  • B21D51/2615 - Edge treatment of cans or tins
  • Y10T70/7169 - Complex movement or puzzle type
  • Y10T70/7542 - Single set
  • Y10T70/7734 - Automatically key set combinations
  • Y10T70/7774 - False or picking key trapping
  • Y10T70/8595 - Key guides, internal

• US Classifications

  • 070 - Locks