1920250

Information

• Patent Grant
• 1920250

• References
• Source

• Patent Number

  1,920,250

• Date Filed

  Not available

• Date Issued

  Tuesday, August 1, 1933
  91 years ago

• CPC

  • E05B37/025 - in padlocks
  • E05B37/0058 - by axial disengagement between hub and rim of tumbler discs or rings
  • Y10S70/33 - Starting point
  • Y10T70/424 - Sliding
  • Y10T70/7328 - Compound tumblers
  • Y10T70/7407 - Operating indicators

• US Classifications

  • 070 - Locks