Solicitação de exame técnico
#4.1
09/27/1988
RPI 936
Application data
Number
PI8603874Type
Filing
Publication
The letters patent expired on 07/22/2008: 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: 09/27/1988. We update with every new RPI gazette, published weekly.
Applicants
J. V. (pessoa física)
AR
Inventors
J. V. (pessoa física)
AR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
09/27/1988
RPI 936
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09/15/1987
RPI 882
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03/04/1987
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Patente extinta em 14/08/2001
07/22/2008
RPI 1959
#16.1
09/24/1991
RPI 1086
#13.1
04/30/1991
RPI 1065
#9.1
01/15/1991
RPI 1050
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03/13/1990
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