Light barrier for gates

Details Light barrier for gates Light barrier for gates

2008-04-01

2008-04-01

Sikder, Selina (Department: 2912)

Equipment for production, distribution, or transformation of ene

Distribution, modification or control

Switch or casing therefor

Design Patent

active

29285389

CLAIM:
The ornamental design for a light barrier for gates, as shown and described.

REFERENCES:
patent: D322776 (1991-12-01), DiCarlo, Jr.
patent: D361057 (1995-08-01), Fayfield
patent: D369348 (1996-04-01), Hu
patent: D373759 (1996-09-01), Tanaka et al.
patent: D401562 (1998-11-01), Brass et al.
patent: D401564 (1998-11-01), La Police
patent: D401910 (1998-12-01), Fooks et al.
patent: D412316 (1999-07-01), Fayfield
patent: D421422 (2000-03-01), La Police
patent: D470462 (2003-02-01), Fayfield et al.
patent: D471162 (2003-03-01), Fayfield
patent: D516043 (2006-02-01), Jacoby et al.

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