640017

Information

• Patent Grant
• 640017

• References
• Source

• Patent Number

  640,017

• Date Filed

  Not available

• Date Issued

  Tuesday, December 26, 1899
  125 years ago

• CPC

  • B62H5/10 - acting on a pedal crank
  • Y10T70/5659 - Dead bolt
  • Y10T70/5885 - Drive
  • Y10T74/20642 - Hand crank

• US Classifications

  • 070 - Locks
  • 074 - Machine element or mechanism