Solicitação de exame técnico
#4.1
09/13/1988
RPI 934
The letters patent expired on 07/29/2008: 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: 09/13/1988. We update with every new RPI gazette, published weekly.
Applicants
Kleinewefers Gmbh
DE
Inventors
D. P. (pessoa física)
DE
R. W. (pessoa física)
DE
IPC Classification
Priority claims
DE
P 36 28 277.4 · 08/20/1986
DE
P 36 32 906.1 · 09/27/1986
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
09/13/1988
RPI 934
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Patente extinta em 19/08/2002
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10/27/1992
RPI 1143
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06/02/1992
RPI 1122
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07/02/1991
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