Solicitação de exame técnico
#4.1
06/21/1988
RPI 922
Application data
Number
PI8504673Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 06/21/1988. We update with every new RPI gazette, published weekly.
Applicants
Shell Internationale Research Maatschappij B.V
NL
Inventors
I. B. (pessoa física)
Priority claims
GB
8424317 · 09/26/1984
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
06/21/1988
RPI 922
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