Exigência - art. 36 da LPI
#6.1
10/31/1989
RPI 993
Application data
Number
PI8501771Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 10/31/1989. We update with every new RPI gazette, published weekly.
Applicants
Telecomunicações de São Paulo S/A - TELESP
SP, BR
Inventors
J. C. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#6.1
10/31/1989
RPI 993
#4.1
10/15/1985
RPI 782
#3.2
07/16/1985
RPI 769
#2.1
07/02/1985
RPI 767
#21.1
Patente extinta em 15/04/2000
07/15/2008
RPI 1958
04/02/1996
RPI 1322
03/17/1992
RPI 1111
#16.1
04/30/1991
RPI 1065
#13.1
12/11/1990
RPI 1045
#9.1
08/28/1990
RPI 1030
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