02/08/1989
RPI 955
Publicação do pedido de patente
3.1
Invention PatentPI8703870
Kepler Weber S/A+1
The letters patent expired on 07/29/2008: 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: 02/08/1989. We update with every new RPI gazette, published weekly.
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
02/08/1989
RPI 955
3.1
11/10/1987
RPI 890
2.1
07/29/2008
RPI 1960
21.1
Patente extinta em 27/07/2002
06/29/1993
RPI 1178
16.1
03/16/1993
RPI 1163
08/11/1992
RPI 1132
13.1
03/17/1992
RPI 1111
9.1
01/08/1991
RPI 1049
4.1
From the same holder