Solicitação de exame técnico
#4.1
06/14/1988
RPI 921
The patent was granted on 12/31/1991 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: 06/14/1988. We update with every new RPI gazette, published weekly.
Applicants
W. G. (pessoa física)
SP, BR
Inventors
W. G. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
06/14/1988
RPI 921
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04/05/1988
RPI 911
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03/04/1987
RPI 854
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10/10/1995
RPI 1297
#16.1
12/31/1991
RPI 1100
#13.1
08/13/1991
RPI 1080
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04/30/1991
RPI 1065
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05/08/1990
RPI 1017
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