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 24/03/98 conforme disposto no artigo 24 da Lei 5772/71 (CPI).
09/25/2001
RPI 1603
#16.1
08/30/1994
RPI 1239
#13.1
04/12/1994
RPI 1219
#9.1
11/23/1993
RPI 1199
06/26/1990
RPI 1024
From the same holder
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