Solicitação de exame técnico
#4.1
11/07/1989
RPI 994
Application data
Number
PI8604855Type
Filing
Publication
The patent was granted on 03/29/1994 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: 11/07/1989. We update with every new RPI gazette, published weekly.
Applicants
Shell Internationale Research Maatschappij B.V
NL
Inventors
J. H. (pessoa física)
GB
P. S. (pessoa física)
GB
S. H. (pessoa física)
GB
IPC Classification
Priority claims
GB
8524659 · 10/07/1985
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
11/07/1989
RPI 994
#3.1
07/07/1987
RPI 872
#2.1
04/07/1987
RPI 859
#18.2
06/25/1996
RPI 1334
#16.1
03/29/1994
RPI 1217
#9.1
09/08/1993
RPI 1188
#6.1
03/02/1993
RPI 1161
#6.1
05/05/1992
RPI 1118
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.