Concessão da patente
#16.1
07/26/1988
RPI 927
Application data
Number
PI8201871Type
Filing
Publication
The patent was granted on 07/26/1988 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: 07/26/1988. We update with every new RPI gazette, published weekly.
Applicants
Shell Internationale Research Maatschappij B.V
NL
Inventors
L. M. (pessoa física)
US
IPC Classification
Priority claims
US
250,979 · 04/03/1981
US
250,990 · 04/03/1981
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