1221766

Information

• Patent Grant
• 1221766

• References
• Source

• Patent Number

  1,221,766

• Date Filed

  Not available

• Date Issued

  Tuesday, April 3, 1917
  108 years ago

• CPC

  • E06B3/4654 - disappearing in pockets in the wall; Pockets therefor
  • Y10T16/361 - Guide brackets
  • Y10T16/376 - Covered, hollow or slotted track
  • Y10T16/377 - Wood
  • Y10T16/381 - Wheel mounts

• US Classifications

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