Carta-patente expirada
#21.1
Patente extinta em 11/12/2011
06/11/2013
RPI 2214
Application data
Number
PI9105341Type
Filing
Publication
The letters patent expired on 06/11/2013: 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: 06/11/2013. We update with every new RPI gazette, published weekly.
Applicants
Shell Internationale Research Maatschappij B.V
NL
Inventors
K. L. (pessoa física)
NL
R. W. (pessoa física)
NL
IPC Classification
Priority claims
GB
9026832.7 · 12/11/1990
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 11/12/2011
06/11/2013
RPI 2214
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