Indeferimento
#9.2
09/12/1989
RPI 986
The letters patent expired on 09/17/1996: 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: 09/12/1989. We update with every new RPI gazette, published weekly.
Applicants
Telecomunicações Brasileiras S/A - Telebrás
SP, BR
Inventors
J. N. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#9.2
09/12/1989
RPI 986
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RPI 819
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RPI 1346
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07/30/1996
RPI 1339
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RPI 1313
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RPI 1307
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