3828401

Information

• Patent Grant
• 3828401

• References
• Source

• Patent Number

  3,828,401

• Date Filed

  Not available

• Date Issued

  Tuesday, August 13, 1974
  50 years ago

• CPC

  • F16B7/0446 - for tubes using the innerside thereof
  • E04D13/03 - Sky-lights Domes Ventilating sky-lights
  • E04D13/0315 - characterised by a curb frame
  • E06B3/9725 - Mitre joints

• US Classifications

  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
  • 040 - Card, picture, or sign exhibiting