Exigência - art. 36 da LPI
#6.1
08/15/1989
RPI 982
Application data
Number
PI8400652Type
Filing
Publication
The patent was granted on 09/25/1990 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: 08/15/1989. We update with every new RPI gazette, published weekly.
Applicants
Shell Internationale Research Maatschappij B.V
NL
Inventors
M. H. (pessoa física)
IPC Classification
Priority claims
GB
8304386 · 02/17/1983
GB
8311358 · 04/26/1983
GB
8325539 · 09/23/1983
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