Concessão da patente
#16.1
09/25/1984
RPI 727
The letters patent expired on 07/26/1994: 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: 09/25/1984. We update with every new RPI gazette, published weekly.
Applicants
Shell Internationale Research Maatschappij B.V
NL
Inventors
C. O. (pessoa física)
E. W. (pessoa física)
NL
R. C. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/25/1984
RPI 727
#13.1
07/03/1984
RPI 715
#9.1
03/13/1984
RPI 699
#6.1
11/01/1983
RPI 680
#15.11
05/24/1983
RPI 657
#6.1
03/15/1983
RPI 647
#5.1
06/01/1982
RPI 606
#4.1
01/05/1982
RPI 585
#21.1
07/26/1994
RPI 1234
From the same holder
Same category
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