Solicitação de exame técnico
#4.1
07/04/1989
RPI 976
The patent was granted on 06/28/1994 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: 07/04/1989. 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
07/04/1989
RPI 976
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10/04/1988
RPI 937
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RPI 1300
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06/28/1994
RPI 1230
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02/08/1994
RPI 1210
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08/24/1993
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