1802270

Information

• Patent Grant
• 1802270

• References
• Source

• Patent Number

  1,802,270

• Date Filed

  Not available

• Date Issued

  Tuesday, April 21, 1931
  93 years ago

• CPC

  • F16B13/025 - of rolled sheet material

• US Classifications

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