Concessão da patente
#16.1
06/24/1986
RPI 818
The patent was granted on 06/24/1986 and later terminated for failure to pay the annuities. The technology is in the public domain 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
A. M. (pessoa física)
W. R. (pessoa física)
IPC Classification
Priority claims
GB
7917981 · 05/23/1979
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