11.3
12/29/1987
RPI 897
The application was abandoned at the INPI. The case ended without a patent and the technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 12/29/1987. We update with every new RPI gazette, published weekly.
Applicants
Shell Internationale Research Maatschappij B.V
NL
Inventors
D. B. (pessoa física)
IPC Classification
No IPC classification.
Priority claims
GB
7939781 · 11/16/1979
Publications in the Brazilian Industrial Property Gazette (RPI).
12/29/1987
RPI 897
#6.1
10/30/1984
RPI 732
#6.1
02/07/1984
RPI 694
#4.1
06/28/1983
RPI 662
From the same holder
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