1937523

Information

• Patent Grant
• 1937523

• References
• Source

• Patent Number

  1,937,523

• Date Filed

  Not available

• Date Issued

  Tuesday, December 5, 1933
  91 years ago

• CPC

  • E05B37/0031 - Locks with both permutation and key actuation
  • Y10S70/71 - Combined permutation and key lock
  • Y10T70/7141 - Combination and key
  • Y10T70/7605 - Pin tumblers

• US Classifications

  • 070 - Locks