Pedido de patente depositado
#2.1
01/03/1989
RPI 950
Application data
Number
PI8804053Type
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: 01/03/1989. We update with every new RPI gazette, published weekly.
Applicants
Shell Internationale Research Maatschappij B.V
NL
Inventors
A. L. (pessoa física)
FR
J. M. (pessoa física)
NL
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
01/03/1989
RPI 950
#21.1
Patente extinta em 11/08/2003
09/02/2008
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