Concessão da patente
#16.1
04/26/1988
RPI 914
The letters patent expired on 09/21/1993: 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: 04/26/1988. We update with every new RPI gazette, published weekly.
Applicants
Shell Internationale Research Maatschappij B.V
NL
Inventors
J. F. (pessoa física)
GB
J. B. (pessoa física)
P. T. (pessoa física)
GB
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
04/26/1988
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06/22/1982
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09/21/1993
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