Publicação do pedido de patente
#3.1
10/03/1989
RPI 989
Application data
Number
PI8900527Type
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: 10/03/1989. We update with every new RPI gazette, published weekly.
Applicants
Shell Internationale Research Maatschappij B.V
NL
Inventors
M. G. (pessoa física)
NL
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
10/03/1989
RPI 989
#2.1
03/21/1989
RPI 961
#21.1
Patente extinta em 03/02/2004
12/15/2009
RPI 2032
#16.1
06/27/1995
RPI 1282
#9.1
01/17/1995
RPI 1259
#6.1
07/19/1994
RPI 1233
#4.1
11/12/1991
RPI 1093
From the same holder
Same category
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