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Metal siding with snap acting interlock

  • US 3,325,952 A
  • Filed: 12/08/1964
  • Issued: 06/20/1967
  • Est. Priority Date: 12/08/1964
  • Status: Expired due to Term
First Claim
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1. A SIDING FOR BUILDINGS COMPRISING A SUCCESSION OF HORIZONTALLY-ELONGATED STRIPS, EACH OF WHICH HAS A TOP EDGE FOLDED FORWARDLY AND DOWNWARDLY IN A CLOSED FOLD, PROVIDING A NAILING STRIP PORTION FOR SECURING THE TOP OF EACH STRIP TO A BUILDING WALL, SAID FOLD-OVER TOP EDGE HAVING A FREE EDGE PORTION EXTENDING HORIZONTAL FROM THE LOWER EDGE OF THE NAILING STRIP PORTION TO PROVIDE A LEDGE AND WHICH TURNS DOWNWARDLY AT THE OUTER EDGE OF THE LEDGE TO PROVIDE A LIP, THE BOTTOM OF EACH STRIP HAVING A REARWARDLY-TURNED FLANGE THEREON WITH THE FREE EDGE TURNED UPWARDLY TO PROVIDE AN UPWARDLY-TURNED LIP THAT FITS BETWEEN THE DOWNTURNED LIP AT THE TOP OF THE STRIP BELOW, THE DOWNTURNED LIP AT THE TOP OF THE LOWER STRIP AND THE UPTURNED LIP AT THE BOTTOM OF THE UPPER STRIP BEING LONGITUDINALLY RIBBED TO PROVIDE AN INTERFITTING SNAP ACTING INTERLOCK.

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