1435992

Information

• Patent Grant
• 1435992

• References
• Source

• Patent Number

  1,435,992

• Date Filed

  Not available

• Date Issued

  Tuesday, November 21, 1922
  102 years ago

• CPC

  • E05B37/0003 - preventing detection of the combination
  • Y10T70/7407 - Operating indicators
  • Y10T70/7435 - Hidden or covered dial
  • Y10T70/7915 - Tampering prevention or attack defeating
  • Y10T70/8297 - For combination-operated mechanism

• US Classifications

  • 070 - Locks