Solicitação de exame técnico
#4.1
12/20/1988
RPI 948
Application data
Number
PI8701248Type
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
Pial Eletro Eletrônicos Ltda
SP, BR
Inventors
R. C. (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
08/30/1994
RPI 1239
#13.1
03/15/1994
RPI 1215
#9.1
10/19/1993
RPI 1194
From the same holder
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