1221237

Information

• Patent Grant
• 1221237

• References
• Source

• Patent Number

  1,221,237

• Date Filed

  Not available

• Date Issued

  Tuesday, April 3, 1917
  107 years ago

• CPC

  • E06B11/04 - characterised by the kind of suspension
  • Y10T16/33 - Sliding and swinging

• US Classifications

  • 016 - Miscellaneous hardware