Concessão da patente
#16.1
07/31/1984
RPI 719
The letters patent expired on 05/02/1995: 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: 07/31/1984. We update with every new RPI gazette, published weekly.
Applicants
Shell Internationale Research Maatschappij B.V
NL
Inventors
G. P. (pessoa física)
M. L. (pessoa física)
IPC Classification
Priority claims
GB
7900169 · 01/03/1979
Publications in the Brazilian Industrial Property Gazette (RPI).
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