2351993

Information

• Patent Grant
• 2351993

• References
• Source

• Patent Number

  2,351,993

• Date Filed

  Not available

• Date Issued

  Tuesday, June 20, 1944
  80 years ago

• CPC

  • E04D1/34 - Fastenings for attaching roof-covering elements to the supporting elements
  • E04D2001/3423 - Nails, rivets, staples or straps piercing or perforating the roof covering material
  • E04D2001/3464 - on the lateral corners of the roof covering elements for diagonally tiled roofs
  • E04D2001/3467 - through apertures, holes or slots
  • E04D2001/3485 - the fastening means taking hold directly on elements of succeeding rows and fastening them only to each other
  • E04D2001/3494 - made of rigid material having a flat external surface
  • Y10T29/49915 - Overedge assembling of seated part
  • Y10T29/49943 - Riveting
  • Y10T29/49972 - with separating, localizing, or eliminating of as-cast defects from a metal casting [e.g., anti-pipe]

• US Classifications

  • 052 - Static structures
  • 029 - Metal working
  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener