Solicitação de exame técnico
#4.1
08/30/1988
RPI 932
The letters patent expired on 09/25/2001: 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
C. C. (pessoa física)
Lorenzetti S/A Indústrias Brasileiras Eletrometalúrgicas
PR, BR
Inventors
C. C. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
08/30/1988
RPI 932
#3.2
07/26/1988
RPI 927
#2.1
07/19/1988
RPI 926
#21.1
Patente extinta em 30/03/98 conforme disposto no artigo 24 da Lei 5772/71 (CPI).
09/25/2001
RPI 1603
#16.1
06/28/1994
RPI 1230
#13.1
03/22/1994
RPI 1216
#9.1
11/16/1993
RPI 1198
06/26/1990
RPI 1024
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