Publicação do pedido de patente
#3.1
07/28/1987
RPI 875
Application data
Number
PI8605245Type
Filing
Publication
The letters patent expired on 07/22/2008: 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: 07/28/1987. We update with every new RPI gazette, published weekly.
Applicants
Shell Internationale Research Maatschappij B.V
NL
Inventors
C. C. (pessoa física)
GB
E. O. (pessoa física)
GB
S. M. (pessoa física)
GB
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
07/28/1987
RPI 875
#2.1
04/07/1987
RPI 859
#21.1
Patente extinta em 28/10/2001
07/22/2008
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03/28/1995
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11/29/1994
RPI 1252
#9.1
08/02/1994
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02/22/1994
RPI 1212
04/24/1990
RPI 1015
03/01/1990
RPI 1007
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03/01/1990
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