Electric heating – Heating devices – Combined with diverse-type art device
Reexamination Certificate
2004-05-03
2008-10-07
Paik, Sang Y (Department: 3742)
Electric heating
Heating devices
Combined with diverse-type art device
C219S541000, C052S220200
Reexamination Certificate
active
07432472
ABSTRACT:
A flooring board with a tongue and a groove, including a covering layer, a base plate, and an embedded foil between the covering layer and the base plate. The embedded foil is provided with electrical connecting means for obtaining an effect upon the foil via a connected electric voltage. The electrical connecting means includes a first common connecting means having a first portion positioned on an under side of the groove and a second portion positioned on an upper side of the tongue which are connected by at least one line. The electrical connecting means also includes a second common connecting means having a first portion positioned on an under side of the tongue and a second portion positioned on an upper side of the groove which are connected by at least one line.
REFERENCES:
patent: 6092587 (2000-07-01), Ingram
patent: 6456418 (2002-09-01), Martin et al.
patent: 6928775 (2005-08-01), Banister
patent: 2004/0031219 (2004-02-01), Banister
patent: 2005/0221066 (2005-10-01), Brist et al.
patent: 0592159 (1994-04-01), None
patent: 888842 (1962-02-01), None
Frishauf Holtz Goodman & Chick P.C.
Paik Sang Y
Pilgrimsfalken AB
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