Concessão da patente
#16.1
12/31/1985
RPI 793
Application data
Number
PI8103544Type
Filing
Publication
The letters patent expired on 10/08/1996: 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: 12/31/1985. We update with every new RPI gazette, published weekly.
Applicants
Shell Internationale Research Maatschappig B.V.
NL
Inventors
B. H. (pessoa física)
B. M. (pessoa física)
S. S. (pessoa física)
IPC Classification
Priority claims
NL
8003313 · 06/06/1980
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
12/31/1985
RPI 793
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11/12/1985
RPI 786
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07/09/1985
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#15.11
06/18/1985
RPI 765
#5.1
08/21/1984
RPI 722
#4.1
04/03/1984
RPI 702
#3.1
03/02/1982
RPI 593
#21.1
10/08/1996
RPI 1349
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