Solicitação de exame técnico
#4.1
08/30/1988
RPI 932
Application data
Number
PI8706901Type
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: 08/30/1988. We update with every new RPI gazette, published weekly.
Applicants
Lorenzetti S/A Indústrias Brasileiras Eletrometalúrgicas
PR, BR
Inventors
L. B. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
08/30/1988
RPI 932
#3.2
06/21/1988
RPI 922
#2.1
03/29/1988
RPI 910
#21.1
Patente extinta em 15/12/2002
07/29/2008
RPI 1960
#16.1
07/30/1991
RPI 1078
#15.11
05/14/1991
RPI 1067
03/19/1991
RPI 1059
01/02/1991
RPI 1048
#13.1
12/11/1990
RPI 1045
#9.1
08/28/1990
RPI 1030
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