Publicação do pedido de patente
#3.1
05/24/1988
RPI 918
Application data
Number
PI8705311Type
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: 05/24/1988. We update with every new RPI gazette, published weekly.
Applicants
H. A. (pessoa física)
DE
Institut fuer Papier - Zellstoff - und Fasertechnik der Technischen Universitaet Graz
AT
Inventors
D. D. (pessoa física)
DE
D. B. (pessoa física)
DE
IPC Classification
Priority claims
DE
P 36 34 277.7 · 10/08/1986
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
05/24/1988
RPI 918
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Procedimento automático de reclassificação. As classificações IPC anteriores eram: D21H 3/12; D21H 1/22.
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