1744707

Information

• Patent Grant
• 1744707

• References
• Source

• Patent Number

  1,744,707

• Date Filed

  Not available

• Date Issued

  Tuesday, January 21, 1930
  95 years ago

• CPC

  • E05B65/0082 - with additional locking responsive to attack
  • Y10S70/44 - Combination changers
  • Y10T70/7249 - Tumblers released
  • Y10T70/7322 - Permutation
  • Y10T70/7949 - Yielding or frangible connections
  • Y10T70/8378 - Knobs, hand grips, etc.

• US Classifications

  • 070 - Locks