31485

Information

• Patent Grant
• 31485

• References
• Source

• Patent Number

  31,485

• Date Filed

  Not available

• Date Issued

  Tuesday, February 19, 1861
  163 years ago

• CPC

  • E06B7/084 - with rotatable lamellae
  • Y10S505/858 - Digital logic

• US Classifications

  • 049 - Movable or removable closures