Solicitação de exame técnico
#4.1
09/27/1988
RPI 936
Application data
Number
PI8602803Type
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
N. S. (pessoa física)
SP, BR
Inventors
N. S. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
09/27/1988
RPI 936
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01/12/1988
RPI 899
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12/23/1986
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Patente extinta em 21/05/2001
07/22/2008
RPI 1959
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12/31/1991
RPI 1100
#13.1
10/01/1991
RPI 1087
#9.1
06/04/1991
RPI 1070
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12/26/1990
RPI 1047
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05/29/1990
RPI 1020
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