Publicação do pedido de patente
#3.1
12/01/1987
RPI 893
Application data
Number
PI8700214Type
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: 12/01/1987. We update with every new RPI gazette, published weekly.
Applicants
Shell Internationale Research Maatschappij B.V
NL
Inventors
A. D. (pessoa física)
NL
G. A. (pessoa física)
NL
M. S. (pessoa física)
NL
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
12/01/1987
RPI 893
#2.1
05/12/1987
RPI 864
#21.1
Patente extinta em 20/01/2002
07/29/2008
RPI 1960
#16.1
06/28/1994
RPI 1230
#9.1
11/30/1993
RPI 1200
#6.1
05/19/1992
RPI 1120
#4.1
05/15/1990
RPI 1018
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