03/29/1988
RPI 910
Solicitação de exame técnico
4.1
Invention PatentPI8601595
C. A. (pessoa física)+1
The letters patent expired on 07/22/2008: 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: 03/29/1988. We update with every new RPI gazette, published weekly.
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
03/29/1988
RPI 910
4.1
11/03/1987
RPI 889
3.1
10/29/1986
RPI 836
2.1
07/22/2008
RPI 1959
21.1
Patente extinta em 09/04/2001
08/20/1996
RPI 1342
20.1
06/13/1995
RPI 1280
04/27/1993
RPI 1169
16.1
03/02/1993
RPI 1161
13.1
10/06/1992
RPI 1140
9.1
09/25/1990
RPI 1034
6.1