Concessão da patente
#16.1
05/28/1985
RPI 762
The patent was granted on 05/28/1985 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: 05/28/1985. We update with every new RPI gazette, published weekly.
Applicants
Shell Internationale Research Maatschappij B.V
NL
Inventors
S. L. (pessoa física)
S. S. (pessoa física)
IPC Classification
Priority claims
NL
7906003 · 08/06/1979
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
05/28/1985
RPI 762
#13.1
03/26/1985
RPI 753
#9.1
11/13/1984
RPI 734
#6.1
01/17/1984
RPI 691
#4.1
04/19/1983
RPI 652
#18.2
09/25/1990
RPI 1034
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.