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Class Information
Number: 52/679
Name: Static structures (e.g., buildings) > Openwork; e.g., truss, trellis, grille, screen, frame, or rebar chair > Spacer-positioner; e.g., rebar chair > Penetrator with limiting stop
Description: Structure shaped to penetrate a mold or base member and having a feature which determines the depth of penetration.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7373764 |
Extruded upper beam slab bolster for use in construction |
May. 20, 2008 |
| 7284354 |
Upper beam slab bolster with extruded plates |
Oct. 23, 2007 |
| 6637171 |
Apparatus and method for reinforcing concrete using rebar isolators |
Oct. 28, 2003 |
| 6502361 |
Rod chairs |
Jan. 7, 2003 |
| 6161360 |
Apparatus for supporting reinforcement bar |
Dec. 19, 2000 |
| 6141937 |
Holder for adjustable positioning of reinforcing rods |
Nov. 7, 2000 |
| 5893252 |
System for affixing rebar lattice to receive concrete |
Apr. 13, 1999 |
| 5791095 |
Chair for use in construction |
Aug. 11, 1998 |
| 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 |
| 5456051 |
Compression spacer for bar reinforcement |
Oct. 10, 1995 |
| 5301485 |
Nelson stud screed post assembly |
Apr. 12, 1994 |
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