Static structures (e.g. – buildings) – With entrance for persons or objects in horizontal or... – With additional enclosure structure; e.g. – manhole
Reexamination Certificate
2006-01-17
2006-01-17
Friedman, Carl D. (Department: 3635)
Static structures (e.g., buildings)
With entrance for persons or objects in horizontal or...
With additional enclosure structure; e.g., manhole
C220S004270, C220S516000, C405S053000
Reexamination Certificate
active
06986227
ABSTRACT:
A stackable riser having a single side wall having a first open end defined by an edge and a second open channel end. A plurality of risers can be stacked on top of one another. The channel end of a riser mates with the first open end of a second riser. The riser includes a plurality of bosses and ribs connected to an interior surface of the sidewall to the edge of the first open end. A channel, on the channel end of one riser is adapted to receive the bosses and ribs of an adjacent riser.
REFERENCES:
patent: 4410099 (1983-10-01), deLarosiere
patent: 4508714 (1985-04-01), Cecic et al.
patent: 4593714 (1986-06-01), Madden
patent: 4659251 (1987-04-01), Petter et al.
patent: 4842443 (1989-06-01), Argandona
patent: 5076456 (1991-12-01), Geyer
patent: 5123776 (1992-06-01), Lang et al.
patent: 5366317 (1994-11-01), Solimar
patent: 5660279 (1997-08-01), Apps et al.
patent: 6088972 (2000-07-01), Johanneck
patent: 6195944 (2001-03-01), Goldthorpe
patent: 6484451 (2002-11-01), Gavin
patent: 6655093 (2003-12-01), Gavin
Friedman Carl D.
Horton Yvonne M.
Jenner & Block LLP
LandOfFree
Stackable riser configuration does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Stackable riser configuration, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Stackable riser configuration will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3568658