Concessão da patente
#16.1
12/26/1984
RPI 740
The letters patent expired on 04/18/1995: 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: 12/26/1984. We update with every new RPI gazette, published weekly.
Applicants
Shell Internationale Research Maatschappij B.V
NL
Inventors
A. M. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
12/26/1984
RPI 740
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10/02/1984
RPI 728
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RPI 711
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09/20/1983
RPI 674
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02/01/1983
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04/18/1995
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