Publicação do pedido de patente
#3.1
11/22/1988
RPI 944
Application data
Number
PI8801875Type
Filing
Publication
The letters patent expired on 09/02/2008: 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: 11/22/1988. We update with every new RPI gazette, published weekly.
Applicants
Shell Internationale Research Maatschappij B.V
NL
Inventors
E. K. (pessoa física)
NL
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
11/22/1988
RPI 944
#2.1
08/30/1988
RPI 932
#21.1
Patente extinta em 20/04/2003
09/02/2008
RPI 1965
#16.1
03/26/1996
RPI 1321
#9.1
08/01/1995
RPI 1287
#6.1
06/21/1994
RPI 1229
#4.1
12/04/1990
RPI 1044
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