Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Spacer-positioner; e.g. – rebar chair
Reexamination Certificate
2005-01-04
2005-01-04
Slack, Naoko (Department: 3635)
Static structures (e.g., buildings)
Openwork; e.g., truss, trellis, grille, screen, frame, or...
Spacer-positioner; e.g., rebar chair
C052S686000, C052S687000, C052S741410, C404S136000
Reexamination Certificate
active
06837017
ABSTRACT:
A transverse bar assembly for use in constructing rebar mats for reinforcement of concrete paving includes a plurality of chairs and clips each having a lower portion that fixes to a transverse bar in the direction of its length and an upper portion for orthogonally receiving and holding locked in place a longitudinal bar, the chair also having a support extending to a base surface.
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Catalog p. 19 for “Bar Supports” accessed from http://www.americanhighwaytechnology.com/product.html.
Catalog p. 20 showing Snap-On Paving Chair, accessed from same address as cite 53.
Hardy, Jr. Robert M.
Waters, Jr. Louis A.
Burgess Tim L.
Slack Naoko
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