Solicitação de exame técnico
#4.1
12/08/1987
RPI 894
The patent was granted on 08/27/1991 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: 12/08/1987. We update with every new RPI gazette, published weekly.
Applicants
Técnica Nacional Ltda
PR, BR
Inventors
W. T. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
12/08/1987
RPI 894
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10/06/1987
RPI 885
#2.1
07/14/1987
RPI 873
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Procedimento automático de reclassificação. A classificação IPC anterior era A47B 88/04.
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RPI 2464
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10/31/1995
RPI 1300
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08/27/1991
RPI 1082
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