833818

Information

• Patent Grant
• 833818

• References
• Source

• Patent Number

  833,818

• Date Filed

  Not available

• Date Issued

  Tuesday, October 23, 1906
  118 years ago

• CPC

  • E05F13/04 - by platforms lowered by the weight of the user
  • Y10T16/5379 - Circularly distributed balls or rollers
  • Y10T16/53985 - Between opposing surfaces

• US Classifications

  • 049 - Movable or removable closures
  • 016 - Miscellaneous hardware