Solicitação de exame técnico
#4.1
09/20/1988
RPI 935
The letters patent expired on 09/18/2001: 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: 09/20/1988. We update with every new RPI gazette, published weekly.
Applicants
Cardoso Indústria e Comércio de Máquinas Ltda
SP, BR
Inventors
J. C. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
09/20/1988
RPI 935
#3.2
06/14/1988
RPI 921
#2.1
07/07/1987
RPI 872
#21.1
Patente extinta em 03/04/97 conforme disposto no artigo 24 da Lei 5772/71 (CPI).
09/18/2001
RPI 1602
#16.1
03/31/1992
RPI 1113
#13.1
08/13/1991
RPI 1080
#9.1
04/30/1991
RPI 1065
#6.1
12/11/1990
RPI 1045
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Same category
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