Concessão da patente
#16.1
12/30/1986
RPI 845
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: 12/30/1986. We update with every new RPI gazette, published weekly.
Applicants
NEUTRA POL SERVICOS DE NEUTRAL [BR]
Inventors
R. B. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
12/30/1986
RPI 845
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06/24/1986
RPI 818
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05/07/1985
RPI 759
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07/03/1984
RPI 715
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04/03/1984
RPI 702
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10/19/1982
RPI 626
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12/07/1993
RPI 1201
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