Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Spacer-positioner; e.g. – rebar chair
Reexamination Certificate
2008-01-29
2008-01-29
Canfield, Robert (Department: 3635)
Static structures (e.g., buildings)
Openwork; e.g., truss, trellis, grille, screen, frame, or...
Spacer-positioner; e.g., rebar chair
C052S649800, C052S682000, C052S686000, C052S689000, C052S677000, C052S687000, C052S719000
Reexamination Certificate
active
07322158
ABSTRACT:
A concrete reinforcing bar support has a base, a support structure extending upwardly from the base with a channel formed at an upper surface thereof, a first clamping structure affixed to the support structure on one side of the channel, and a second clamping structure affixed to the support structure on an opposite side of the channel. A first rebar extends through the channel. A second rebar is retained by the first and second clamping structures in a direction transverse to the first rebar. Each of the first and second clamping structures has generally C-shaped configuration.
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Canfield Robert
Dreidame Hunter M
Egbert Law Offices
LandOfFree
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