Solicitação de exame técnico
#4.1
12/29/1987
RPI 897
The patent was granted on 12/26/1990 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: 12/29/1987. We update with every new RPI gazette, published weekly.
Applicants
Dextra Serviços de Manutenção S/A
SP, BR
Inventors
J. D. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
12/29/1987
RPI 897
#3.2
11/10/1987
RPI 890
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11/03/1987
RPI 889
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10/31/1995
RPI 1300
#16.1
12/26/1990
RPI 1047
#13.1
09/25/1990
RPI 1034
#9.1
06/12/1990
RPI 1022
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