Solicitação de exame técnico
#4.1
09/27/1988
RPI 936
Application data
Number
PI8706694Type
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: 09/27/1988. We update with every new RPI gazette, published weekly.
Applicants
Fábrica de Aço Paulista S.A
SP, BR
Inventors
P. B. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
09/27/1988
RPI 936
#3.2
06/21/1988
RPI 922
#2.1
04/12/1988
RPI 912
#21.1
Patente extinta em 07/12/2002
07/29/2008
RPI 1960
#16.1
02/26/1991
RPI 1056
#13.1
09/25/1990
RPI 1034
#9.1
06/12/1990
RPI 1022
From the same holder
Same category
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