Publicação do pedido de patente
#3.1
08/22/1989
RPI 983
Application data
Number
PI8806351Type
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: 08/22/1989. We update with every new RPI gazette, published weekly.
Applicants
Shell Internationale Research Maatschappij B.V
NL
Inventors
B. G. (pessoa física)
NL
W. T. (pessoa física)
NL
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
08/22/1989
RPI 983
#2.1
04/11/1989
RPI 964
#21.1
Patente extinta em 02/12/2003
09/02/2008
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02/25/1997
RPI 1369
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11/26/1996
RPI 1356
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06/25/1996
RPI 1334
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12/26/1995
RPI 1308
#6.1
05/09/1995
RPI 1275
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08/27/1991
RPI 1082
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