Title:
Composite plastics bridge unit
Document Type and Number:
United States Patent D579575
Inventors:
Lockwood, William D. (Dayton, OH, US)
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Application Number:
D/272979
Publication Date:
10/28/2008
Filing Date:
02/23/2007
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Export Citation:
Assignee:
Lockwood Technologies Ltd. (Dayton, OH, US)
Primary Class:
International Classes:
(IPC1-7): 2501
Field of Search:
52/596-612, D25/164, D25/1, 405/286, 14/73, 14/2.4, 14/73.1, D25/199, 52/102, D25/69, D25/112-118, 405/16, D25/63, D25/102, 405/284, 52/574
US Patent References:
| D356163 | Bridge | March, 1995 | Ryan | D25/1 |
| D387109 | Step weight | December, 1997 | Winans | D25/113 |
| D406364 | Bridge module | March, 1999 | Robert et al. | D25/199 |
| D406902 | Concrete bridge section | March, 1999 | Lockwood | D25/1 |
| 6557201 | Stressed-skin modular fiber reinforced plastic bridge | May, 2003 | Bowman et al. | 14/2.4 |
| D511387 | Concrete bridge unit with integral footers | November, 2005 | Beach | D25/1 |
Primary Examiner:
Zarfas, Louis S.
Assistant Examiner:
Doan, Anhdao
Attorney, Agent or Firm:
Jacox, Meckstroth & Jenkins
Claims:
CLAIM
1. The ornamental design for a composite plastics bridge unit, as shown and described.
1. The ornamental design for a composite plastics bridge unit, as shown and described.
Description:
FIG. 1 is a perspective view of a composite plastics bridge unit, showing my new design;
FIG. 2 is a side view thereof, the opposite side view being the same;
FIG. 3 is a top view thereof;
FIG. 4 is a bottom view thereof;
FIG. 5 is an end view thereof, the opposite end view being the same; and,
FIG. 6 is an enlarged fragmentary section, taken on the line 6 — 6 of FIG. 1. A middle portion is broken away in FIGS. 1–4 to disclose indefinite length.