Solicitação de exame técnico
#4.1
03/24/1987
RPI 857
Application data
Number
PI8502934Type
Filing
Publication
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: 03/24/1987. We update with every new RPI gazette, published weekly.
Applicants
Elma Telecomunicações S/A
RJ, BR
Inventors
A. F. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
03/24/1987
RPI 857
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RPI 1082
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