Concessão da patente
#16.1
03/29/1988
RPI 910
Application data
Number
PI8204027Type
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: 03/29/1988. We update with every new RPI gazette, published weekly.
Applicants
Telecomunicações de São Paulo S/A - Telesp
SP, BR
Inventors
A. N. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
03/29/1988
RPI 910
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Patente extinta em 12/07/97
07/01/2008
RPI 1956
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