Concessão da patente
#16.1
05/31/1988
RPI 919
Application data
Number
PI8201790Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 05/31/1988. We update with every new RPI gazette, published weekly.
Applicants
Telecomunicações Brasileiras S/A - Telebrás
SP, BR
Inventors
A. N. (pessoa física)
BR
M. F. (pessoa física)
BR
T. C. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
05/31/1988
RPI 919
#13.1
01/26/1988
RPI 901
#9.1
09/15/1987
RPI 882
#6.1
12/30/1986
RPI 845
#4.1
03/11/1986
RPI 803
#3.1
11/08/1983
RPI 681
#2.1
05/18/1982
RPI 604
#21.1
Patente extinta em 29/03/97
07/01/2008
RPI 1956
From the same holder
Same category
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