Concessão da patente
#16.1
06/24/1986
RPI 818
The letters patent expired on 05/24/1994: 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: 06/24/1986. We update with every new RPI gazette, published weekly.
Applicants
Shell Internationale Research Maatschappij B.V
NL
Inventors
L. K. (pessoa física)
S. T. (pessoa física)
US
T. P. (pessoa física)
US
IPC Classification
Priority claims
US
861916 · 12/19/1977
Publications in the Brazilian Industrial Property Gazette (RPI).
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