Solicitação de exame técnico
#4.1
12/20/1988
RPI 948
Application data
Number
PI8701249Type
Filing
Publication
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: 12/20/1988. We update with every new RPI gazette, published weekly.
Applicants
Fábrica de Aço Paulista S.A
SP, BR
Inventors
A. N. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
12/20/1988
RPI 948
#3.1
09/20/1988
RPI 935
#2.1
06/30/1987
RPI 871
#21.1
Patente extinta em 20/03/2002
07/29/2008
RPI 1960
#16.1
02/13/1991
RPI 1054
#13.1
09/18/1990
RPI 1033
#9.1
06/05/1990
RPI 1021
From the same holder
Same category
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