E - Fixed Constructions – 04 – C
Patent
E - Fixed Constructions
04
C
E04C 5/12 (2006.01) F16B 13/02 (2006.01) F16B 25/00 (2006.01)
Patent
CA 2052667
A masonry screw anchor having two different constant diameter shank portions connected via a taper. Each portion has a set of constant diameter threads and intermediate smaller diameter protrusions with the threads and protrusions on the larger diameter shank portion being larger in diameter than the diameter of the threads and protrusions on the smaller diameter portion.
Brown Robert W.
Dixon Tony L.
Piacenti Frank
Starke David E.
Emhart Inc.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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