Publicação do pedido de patente
#3.1
11/14/1989
RPI 995
Application data
Number
PI8801859Type
Filing
Publication
The letters patent expired on 09/02/2008: 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: 11/14/1989. We update with every new RPI gazette, published weekly.
Applicants
Telecomunicações Brasileiras S/A - Telebrás
SP, BR
Inventors
B. N. (pessoa física)
BR
C. H. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
11/14/1989
RPI 995
#2.1
09/06/1988
RPI 933
#21.1
Patente extinta em 13/04/2003
09/02/2008
RPI 1965
#25.1
Transferido de: Telecomunicações Brasileiras S/A - Telebrás
03/16/1999
RPI 1471
#16.1
06/28/1994
RPI 1230
#13.1
03/29/1994
RPI 1217
#13.1
03/22/1994
RPI 1216
#9.1
11/16/1993
RPI 1198
#4.1
11/26/1991
RPI 1095
From the same holder
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