Solicitação de exame técnico
#4.1
05/09/1989
RPI 968
The patent was granted on 10/26/1993 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 05/09/1989. We update with every new RPI gazette, published weekly.
Applicants
Unitec Transmissões, Equipamentos e Sinterização Ltda.
SP, BR
Inventors
J. B. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
05/09/1989
RPI 968
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10/04/1988
RPI 937
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09/27/1988
RPI 936
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10/31/1995
RPI 1300
#16.1
10/26/1993
RPI 1195
#13.1
07/06/1993
RPI 1179
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03/09/1993
RPI 1162
From the same holder
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