1977853

Information

• Patent Grant
• 1977853

• References
• Source

• Patent Number

  1,977,853

• Date Filed

  Not available

• Date Issued

  Tuesday, October 23, 1934
  90 years ago

• CPC

  • E05B63/126 - the bolt having an additional sliding bolt or movement
  • Y10T70/5208 - Multiple dead bolts
  • Y10T70/527 - Sliding
  • Y10T70/5279 - Key operable only

• US Classifications

  • 070 - Locks