Solicitação de exame técnico
#4.1
06/27/1989
RPI 975
Application data
Number
PI8801241Type
Filing
Publication
The letters patent expired on 09/02/2008: 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: 06/27/1989. We update with every new RPI gazette, published weekly.
Applicants
Hydro-Quebec
CA
Inventors
G. F. (pessoa física)
CA
V. N. (pessoa física)
CA
Publications in the Brazilian Industrial Property Gazette (RPI).
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06/27/1989
RPI 975
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09/02/2008
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