Publicação do pedido de patente
#3.1
03/22/1988
RPI 909
Application data
Number
PI8703432Type
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: 03/22/1988. We update with every new RPI gazette, published weekly.
Applicants
Shell Internationale Research Maatschappij B.V
NL
Inventors
A. S. (pessoa física)
US
G. H. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
03/22/1988
RPI 909
#2.1
09/01/1987
RPI 880
#21.1
Patente extinta em 06/07/2002
07/29/2008
RPI 1960
#16.1
10/31/1995
RPI 1300
#9.1
05/23/1995
RPI 1277
#6.1
10/13/1992
RPI 1141
#6.1
01/14/1992
RPI 1102
#4.1
09/18/1990
RPI 1033
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.