1448146

Information

• Patent Grant
• 1448146

• References
• Source

• Patent Number

  1,448,146

• Date Filed

  Not available

• Date Issued

  Tuesday, March 13, 1923
  101 years ago

• CPC

  • E05D13/14 - with weights
  • Y10T16/66 - Chain

• US Classifications

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