Publicação do pedido de patente
#3.1
11/14/1989
RPI 995
Application data
Number
PI8901445Type
Filing
Publication
The letters patent expired on 12/15/2009: 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: 11/14/1989. We update with every new RPI gazette, published weekly.
Applicants
Shell Internationale Research Maatschappij B.V
NL
Inventors
S. V. (pessoa física)
NL
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
11/14/1989
RPI 995
#2.1
05/09/1989
RPI 968
#21.1
Patente extinta em 29/03/2004
12/15/2009
RPI 2032
#16.1
11/26/1996
RPI 1356
#13.1
07/09/1996
RPI 1336
#9.1
01/23/1996
RPI 1312
#6.1
01/31/1995
RPI 1261
#4.1
11/05/1991
RPI 1092
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