11/17/1987
RPI 891
Solicitação de exame técnico
4.1
Utility ModelMU6602052
Perlima Metais Perfurados Ltda., firma brasileira, industrial e comercial
The letters patent expired on 07/01/2008: 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: 11/17/1987. We update with every new RPI gazette, published weekly.
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
11/17/1987
RPI 891
4.1
06/23/1987
RPI 870
3.2
04/28/1987
RPI 862
2.1
07/01/2008
RPI 1956
21.1
Patente extinta em 22/10/1996
11/24/1992
RPI 1147
16.1
06/30/1992
RPI 1126
13.1
02/04/1992
RPI 1105
9.1
From the same holder