Concessão da patente
#16.1
05/31/1988
RPI 919
The letters patent expired on 12/07/1993: 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: 05/31/1988. We update with every new RPI gazette, published weekly.
Applicants
Telecomunicações Brasileiras S/A - Telebrás
SP, BR
Inventors
O. H. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
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05/31/1988
RPI 919
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