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Class Information
Number: 52/687
Name: Static structures (e.g., buildings) > Openwork; e.g., truss, trellis, grille, screen, frame, or rebar chair > Spacer-positioner; e.g., rebar chair > Plural feet or seat
Description: Structure including plural seats or recesses for the reinforcement member or plural supporting feet for the distance defining means.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7451580 |
Rebar chair and supporting plate |
Nov. 18, 2008 |
| 7373764 |
Extruded upper beam slab bolster for use in construction |
May. 20, 2008 |
| 7322158 |
Intersectional reinforcing bar support with C-shaped clamps |
Jan. 29, 2008 |
| 7284354 |
Upper beam slab bolster with extruded plates |
Oct. 23, 2007 |
| 7237367 |
Construction chair for use with tilt wall construction |
Jul. 3, 2007 |
| 7108453 |
Support for concrete reinforcing members |
Sep. 19, 2006 |
| 7028443 |
Wire mesh chair |
Apr. 18, 2006 |
| 6910309 |
Cage spacer |
Jun. 28, 2005 |
| 6898915 |
Reinforcement bar support device |
May. 31, 2005 |
| 6883289 |
Apparatus and method for reinforcing concrete using rebar supports |
Apr. 26, 2005 |
| 6871471 |
Apparatus, and associated method, for securing rebar together |
Mar. 29, 2005 |
| 6857235 |
Protective cover for reinforcing bar |
Feb. 22, 2005 |
| 6840019 |
Method and apparatus to achieve consistent spacing between layers of modular construction |
Jan. 11, 2005 |
| 6837017 |
Apparatus for placing rebar in continuously reinforced concrete paving |
Jan. 4, 2005 |
| 6775954 |
Upper beam slab bolster with parallel plates |
Aug. 17, 2004 |
| 6739805 |
Waterstop for foundation elements and method of installation |
May. 25, 2004 |
| 6735918 |
Plastic slab bolster upper |
May. 18, 2004 |
| 6732484 |
Chair support for metal reinforcements |
May. 11, 2004 |
| 6722097 |
Plastic slab bolster upper |
Apr. 20, 2004 |
| 6663316 |
Support for concrete reinforcing members |
Dec. 16, 2003 |
| 6553737 |
Method and apparatus to achieve consistent spacing between layers of modular construction material |
Apr. 29, 2003 |
| 6502361 |
Rod chairs |
Jan. 7, 2003 |
| 6385928 |
Tension member |
May. 14, 2002 |
| 6354054 |
Rebar support system |
Mar. 12, 2002 |
| 6345474 |
Universal pier block |
Feb. 12, 2002 |
| 6341452 |
Transport anchor for embedding in prefabricated reinforced concrete parts |
Jan. 29, 2002 |
| 6327822 |
Modular prefabricated element used in building construction |
Dec. 11, 2001 |
| 6282860 |
Wire mesh support |
Sep. 4, 2001 |
| 6276108 |
Device for supporting and connecting reinforcing elements for concrete structures |
Aug. 21, 2001 |
| 6141937 |
Holder for adjustable positioning of reinforcing rods |
Nov. 7, 2000 |
| 6119432 |
Concrete form wall building system |
Sep. 19, 2000 |
| 6112494 |
System for affixing rebar lattice to receive concrete |
Sep. 5, 2000 |
| 6089522 |
Method and apparatus for supporting reinforcement members |
Jul. 18, 2000 |
| 6088991 |
Method of forming a reinforcement mat assembly |
Jul. 18, 2000 |
| 5893252 |
System for affixing rebar lattice to receive concrete |
Apr. 13, 1999 |
| 5878546 |
Concrete reinforcing bar connector |
Mar. 9, 1999 |
| 5822946 |
Spacing member |
Oct. 20, 1998 |
| 5809722 |
Girder supported reinforced concrete slab building structures with shearing connectors, and methods of constructing the building structures and connectors |
Sep. 22, 1998 |
| 5791816 |
Concrete joint restraint system |
Aug. 11, 1998 |
| 5729949 |
Slab on grade chair |
Mar. 24, 1998 |
| 5664390 |
Bolster for use in construction |
Sep. 9, 1997 |
| 5595039 |
Chairs of adjustable height for use in concrete constructions |
Jan. 21, 1997 |
| 5561957 |
Composite wood-concrete building member |
Oct. 8, 1996 |
| 5555693 |
Chair for use in construction |
Sep. 17, 1996 |
| 5421136 |
Foundation construction |
Jun. 6, 1995 |
| 5408799 |
Members for reinforcing, supporting and tying steel bars for reinforcing concrete |
Apr. 25, 1995 |
| 5400562 |
Spacer for a reinforcement bar to be embedded in concrete |
Mar. 28, 1995 |
| 5363618 |
Construction site safety |
Nov. 15, 1994 |
| 5351457 |
Wall construction and spacer for use therewith |
Oct. 4, 1994 |
| 5337532 |
Concrete floor system |
Aug. 16, 1994 |
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