Publicação do pedido de patente
#3.1
02/02/1988
RPI 902
Application data
Number
PI8602763Type
Filing
Publication
The application was refused by the INPI on 04/27/1993. The invention was never patented.
Talk to a specialistLatest action published by the INPI: 02/02/1988. We update with every new RPI gazette, published weekly.
Applicants
Telecomunicações Brasileiras S/A - Telebrás
SP, BR
Inventors
R. E. (pessoa física)
S. A. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
02/02/1988
RPI 902
#2.1
08/04/1987
RPI 876
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: G01N 33/44; C03C 25/02.
03/27/2018
RPI 2464
#9.2
04/27/1993
RPI 1169
#6.1
10/15/1991
RPI 1089
#4.1
10/02/1990
RPI 1035
From the same holder
Same category
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