Publicação do pedido de patente
#3.1
04/12/1988
RPI 912
Application data
Number
PI8704198Type
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: 04/12/1988. We update with every new RPI gazette, published weekly.
Applicants
Shell Internationale Research Maatschappij B.V
NL
Inventors
G. S. (pessoa física)
US
L. S. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
04/12/1988
RPI 912
#2.1
11/17/1987
RPI 891
#21.1
Patente extinta em 13/08/2002
07/29/2008
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04/30/1996
RPI 1326
#9.1
10/03/1995
RPI 1296
#6.1
10/04/1994
RPI 1244
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11/27/1990
RPI 1043
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