Solicitação de exame técnico
#4.1
09/12/1989
RPI 986
The patent was granted on 09/24/1991 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: 09/12/1989. We update with every new RPI gazette, published weekly.
Applicants
Construções Elétricas Eltec S/A
SP, BR
Inventors
R. H. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
09/12/1989
RPI 986
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03/07/1989
RPI 959
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12/15/1987
RPI 895
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10/31/1995
RPI 1300
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09/24/1991
RPI 1086
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07/09/1991
RPI 1075
#13.1
06/04/1991
RPI 1070
#9.1
02/19/1991
RPI 1055
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