Concessão da patente
#16.1
02/28/1984
RPI 697
The letters patent expired on 11/07/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 02/28/1984. We update with every new RPI gazette, published weekly.
Applicants
Telecomunicações do Rio de Janeiro S/A - Telerj
RJ, BR
Inventors
T. S. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
02/28/1984
RPI 697
#13.1
11/08/1983
RPI 681
#9.1
07/05/1983
RPI 663
#6.1
10/19/1982
RPI 626
#21.1
11/07/1995
RPI 1301
From the same holder
Same category
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