Electronic safety flag

Details Electronic safety flag Electronic safety flag

2003-01-13

2004-03-16

Holtje, Nelson C. (Department: 2913)

Measuring, testing, or signalling instruments

Security or signal instrument or casing

Visual

CD11S166000

Design Patent

active

D0487566

CLAIM:
The ornamental design for an electronic safety flag, as shown and described.

REFERENCES:
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patent: 3136289 (1964-06-01), Johnson
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patent: 4519153 (1985-05-01), Moon et al.
patent: D290822 (1987-07-01), McEntee
patent: D311499 (1990-10-01), Mason
patent: D313214 (1990-12-01), Phillips et al.
patent: D407988 (1999-04-01), Freeberg
patent: D424961 (2000-05-01), Dolfin
patent: D427102 (2000-06-01), Irizarry et al.
patent: D464912 (2002-10-01), Powell

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