Publicação do pedido de patente
#3.1
02/09/1988
RPI 903
Application data
Number
PI8702093Type
Filing
Publication
The letters patent expired on 07/29/2008: 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: 02/09/1988. We update with every new RPI gazette, published weekly.
Applicants
Shell Internationale Research Maatschappij B.V
NL
Inventors
H. M. (pessoa física)
JP
T. K. (pessoa física)
JP
IPC Classification
Priority claims
JP
61-98100 · 04/30/1986
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
02/09/1988
RPI 903
#2.1
07/28/1987
RPI 875
#21.1
Patente extinta em 29/04/2002
07/29/2008
RPI 1960
#16.1
09/29/1992
RPI 1139
#15.11
09/22/1992
RPI 1138
#13.1
04/21/1992
RPI 1116
#9.1
12/03/1991
RPI 1096
#4.1
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.