Solicitação de exame técnico
#4.1
12/08/1987
RPI 894
Application data
Number
PI8406693Type
Filing
Publication
The patent was granted on 05/28/1991 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
Telecomunicações de Minas Gerais S/A - TELEMIG
MG, BR
Inventors
I. S. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
12/08/1987
RPI 894
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