12/26/2012
RPI 2190
Carta-patente expirada
21.1
Patente extinta em 18/04/2010
Invention PatentPI8904733
Kurita Water Industries Ltd
The letters patent expired on 12/26/2012: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 12/26/2012. We update with every new RPI gazette, published weekly.
IPC Classification
Priority claims
JP
63-237373 · 09/21/1988
Publications in the Brazilian Industrial Property Gazette (RPI).
12/26/2012
RPI 2190
21.1
Patente extinta em 18/04/2010
04/18/2000
RPI 1528
16.1
10/05/1999
RPI 1500
9.1
05/18/1999
RPI 1480
6.1
07/28/1998
RPI 1440
6.1
07/02/1996
RPI 1335
6.1
04/07/1992
RPI 1114
4.1
05/01/1990
RPI 1016
3.1
01/02/1990
RPI 1000
2.1
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