Cessão de direito de exploração
#22.1
08/12/1986
RPI 825
The letters patent expired on 07/06/1993: 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: 08/12/1986. We update with every new RPI gazette, published weekly.
Applicants
Shell Internationale Research Maatschappij B.V
NL
Inventors
E. W. (pessoa física)
NL
J. V. (pessoa física)
NL
R. G. (pessoa física)
NL
Publications in the Brazilian Industrial Property Gazette (RPI).
#22.1
08/12/1986
RPI 825
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01/05/1982
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#21.1
07/06/1993
RPI 1179
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