Bridges – Gangway – ramp – or dock leveler
Reexamination Certificate
2007-12-21
2009-08-11
Addie, Raymond W (Department: 3671)
Bridges
Gangway, ramp, or dock leveler
Reexamination Certificate
active
07571507
ABSTRACT:
A combination wheelchair platform and detachable ramp to allow a person seated in the wheelchair to be at the proper height for an opthalmologic slit lamp examination, or for a standard size dining table. The platform and ramp have raised side members to prevent accidental rolling off.
REFERENCES:
patent: 3030645 (1962-04-01), Shaw
patent: 4697294 (1987-10-01), Schafer
patent: 4823421 (1989-04-01), Kleynjans et al.
patent: 5105915 (1992-04-01), Gary
patent: 5406777 (1995-04-01), Porto
patent: 5870788 (1999-02-01), Witkin
patent: 6418675 (2002-07-01), Peggs et al.
patent: 6481036 (2002-11-01), Duvall
patent: 6718588 (2004-04-01), Frederiksen
patent: 6840558 (2005-01-01), Darbishire et al.
patent: 6880194 (2005-04-01), O'Donnell et al.
patent: 6929553 (2005-08-01), Diemert
patent: 7003836 (2006-02-01), Berg
patent: 7010825 (2006-03-01), Finch Salas et al.
patent: 7240388 (2007-07-01), Warford
patent: 7350255 (2008-04-01), Zhang
patent: 2002/0144364 (2002-10-01), Anderson et al.
patent: 2005/0123380 (2005-06-01), Massaro
patent: 2005/0129490 (2005-06-01), Hutchins
patent: 2008/0028546 (2008-02-01), Fullerton et al.
Addie Raymond W
Burt Pamela S.
Weiner Irving M.
Weiner & Burt, P.C.
LandOfFree
Wheelchair platform and detachable ramp, and methods of... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Wheelchair platform and detachable ramp, and methods of..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Wheelchair platform and detachable ramp, and methods of... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4077707