Utility ramp

Details Utility ramp Utility ramp

2009-09-16

2010-06-15

Ramirez, Cynthia E (Department: 2911)

Material or article handling equipment

Conveying, lifting, or transferring article

Ramp

Design Patent

active

D0617972

CLAIM:
The ornamental design for a utility ramp, as shown and described.

REFERENCES:
patent: 3511393 (1970-05-01), Abromavage et al.
patent: 4759682 (1988-07-01), Hood
patent: D300073 (1989-02-01), Crump
patent: D373885 (1996-09-01), Holland, Jr.
patent: D382676 (1997-08-01), Holbrook
patent: 6536064 (2003-03-01), Swink et al.
patent: D595920 (2009-07-01), Lederhause et al.
patent: D596368 (2009-07-01), Holicki
patent: 2002/0197141 (2002-12-01), Cohn
patent: 2006/0104773 (2006-05-01), Koretsky et al.
patent: 2009/0035113 (2009-02-01), Morris et al.
patent: 2009/0271934 (2009-11-01), Morris et al.
patent: 2009/0300859 (2009-12-01), Lucht
patent: 2010/0032918 (2010-02-01), Chamoun

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