Carta-patente expirada
#21.1
Patente extinta em 17/05/2010
01/15/2013
RPI 2193
Application data
Number
PI9002317Type
Filing
Publication
The letters patent expired on 01/15/2013: 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: 01/15/2013. We update with every new RPI gazette, published weekly.
Applicants
Shell Internationale Research Maatschappij B.V
NL
Inventors
R. K. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 17/05/2010
01/15/2013
RPI 2193
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07/27/1999
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08/06/1991
RPI 1079
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