211
04/09/1985
RPI 755
The patent was granted on 03/27/1984 and later terminated. Protection ended before the full term and the technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 04/09/1985. We update with every new RPI gazette, published weekly.
Applicants
Telecomunicaçoes do Rio de Janeiro S.A. - Telerj.
RJ, BR
Inventors
D. L. (pessoa física)
G. A. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
04/09/1985
RPI 755
#17.1
11/13/1984
RPI 734
#16.1
03/27/1984
RPI 701
#13.1
12/27/1983
RPI 688
#9.1
09/06/1983
RPI 672
04/09/1996
RPI 1323
#21.1
03/12/1996
RPI 1319
Same category
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