Carta-patente expirada
#21.1
Patente extinta em 29/12/2005
08/26/2008
RPI 1964
The letters patent expired on 08/26/2008: 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: 08/26/2008. We update with every new RPI gazette, published weekly.
Applicants
Ericsson do Brasil Comércio e Indústria S.A.
SP, BR
Ericsson Telecomunicações S/A
SP, BR
Inventors
D. L. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 29/12/2005
08/26/2008
RPI 1964
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02/19/1991
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