Publicação do pedido de patente
#3.1
11/22/1988
RPI 944
Application data
Number
PI8801882Type
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: 11/22/1988. We update with every new RPI gazette, published weekly.
Applicants
Sociedad Espanola de Carburos Metalicos, S.A.
ES
Inventors
J. M. (pessoa física)
ES
P. V. (pessoa física)
ES
Priority claims
ES
8701147 · 04/21/1987
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
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RPI 944
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Procedimento automático de reclassificação. As classificações IPC anteriores eram: C01B 31/20; C01B 21/02; B01D 53/14.
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