Appeal 2007-0694
Reexamination Control 90/006,433
Patent 5,428,933
41) Horobin ‘382 teaches that its blocks are rigid, lightweight, modular
building-blocks made from styrene. (Id. at col. 2, ll. 16-21).
42) Horobin ‘382 teaches that the size of its blocks can be varied due to
the use of the separately formed strut members. (Id. at col. 2, ll. 23-31).
43) Horobin ‘382 teaches that its blocks can be interlocked as their upper
and lower edges possess interlocking projections and recesses (“rail
members” and “grooves”). (Id. at col. 2, ll. 43-50).
44) Horobin ‘382 teaches that its blocks are easy to assemble at a
construction site. (Id. at col. 2, ll. 58-61).
45) Additionally, Horobin ‘382 states that:
It is still a further object of the invention to provide a device of
this type that is relatively inexpensive to manufacture, is
lightweight for ease in shipping in its disassembled form, and
yet, when formed, provides a simple but rugged unit for use in
the building of walls and other types of construction where
concrete walls are employed.
(Id. at col. 2, ll. 62-68).
PRINCIPLES OF LAW
The fundamental principles of claim construction are well known and
have been discussed at length by the Federal Circuit. Several of the relevant
principles of claim construction are discussed below.
As explained by the Federal Circuit in ACTV, Inc. v. Walt Disney
17
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