Solicitação de exame técnico
#4.1
03/31/1987
RPI 858
Application data
Number
PI8506473Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 03/31/1987. We update with every new RPI gazette, published weekly.
Applicants
General Electric Company
US
Hydro-Quebec
CA
Inventors
L. B. (pessoa física)
CA
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
03/31/1987
RPI 858
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09/02/1986
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07/15/2008
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RPI 1086
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