1806522

Information

• Patent Grant
• 1806522

• References
• Source

• Patent Number

  1,806,522

• Date Filed

  Not available

• Date Issued

  Tuesday, May 19, 1931
  93 years ago

• CPC

  • F16B15/0046 - from the body of the plate
  • E04B1/49 - with self-penetrating parts
  • F16B2015/0069 - with nails on both sides

• US Classifications

  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener