Building units and construction elements – Structure
Design Patent
2001-11-15
2002-11-05
Clark, Doris (Department: 2914)
Building units and construction elements
Structure
Design Patent
active
D0465284
CLAIM:
The ornamental design for a hollow molded interlocking personnel protector, sand over culvert form, as shown and described.
REFERENCES:
patent: 4723871 (1988-02-01), Roscoe
patent: D454203 (2002-03-01), Bellavance
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