Concessão da patente
#16.1
05/27/1986
RPI 814
The letters patent expired on 06/21/1994: 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: 05/27/1986. We update with every new RPI gazette, published weekly.
Applicants
TELERJ TELECOMUNICACOES RIO DE
Inventors
A. L. (pessoa física)
F. J. (pessoa física)
G. A. (pessoa física)
M. J. (pessoa física)
R. A. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
05/27/1986
RPI 814
#13.1
12/17/1985
RPI 791
#9.1
08/13/1985
RPI 773
04/23/1985
RPI 757
#7.1
05/15/1984
RPI 708
#6.1
03/08/1983
RPI 646
#6.1
07/06/1982
RPI 611
#21.1
06/21/1994
RPI 1229
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