Highway safety drum delineator

Details Highway safety drum delineator Highway safety drum delineator

2003-02-28

2003-11-25

Holtje, Nelson C. (Department: 2913)

Measuring, testing, or signalling instruments

Security or signal instrument or casing

Visual

Design Patent

active

D0482631

CLAIM:
The ornamental design for a highway safety drum delineator, as shown and described.

REFERENCES:
patent: D229784 (1974-01-01), Carter
patent: D237473 (1975-11-01), Fitch
patent: D243073 (1977-01-01), Kulp et al.
patent: D243074 (1977-01-01), Kulp et al.
patent: D243075 (1977-01-01), Kulp et al.
patent: D279275 (1985-06-01), Cory
patent: D309585 (1990-07-01), Kulp
patent: 4973190 (1990-11-01), Erwin et al.
patent: 5234280 (1993-08-01), Cowan
patent: 5722788 (1998-03-01), Bent et al.
patent: 6019542 (2000-02-01), Bent et al.
patent: D440172 (2001-04-01), Cuttill et al.
patent: 6478505 (2002-11-01), Kulp et al.

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