Portable temporary traffic signal

Details Portable temporary traffic signal Portable temporary traffic signal

2001-09-07

2002-05-28

Jackson, Marcus A. (Department: 2911)

Measuring, testing, or signalling instruments

Security or signal instrument or casing

Visual

Design Patent

active

D0457827

CLAIM:
The ornamental design for a portable temporary traffic signal, as shown and described.

REFERENCES:
patent: 3046521 (1962-07-01), Cantwell
patent: D275188 (1984-08-01), McNaughton, Jr.
patent: 4543905 (1985-10-01), Mckenney
patent: 4706087 (1987-11-01), Holznagel
patent: D314354 (1991-02-01), Droschl
patent: 5252969 (1993-10-01), Kishi
patent: 5805081 (1998-09-01), Fikacek
patent: D438810 (2001-03-01), Ziao et al.

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