Solicitação de exame técnico
#4.1
12/13/1988
RPI 947
Application data
Number
PI8600732Type
Filing
Publication
The letters patent expired on 12/05/2012: 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: 12/13/1988. We update with every new RPI gazette, published weekly.
Applicants
Institut Fuer Papier, - Zellstoff-und Fasertechnik Der Technischen Universitaet Graz
AT
Inventors
D. D. (pessoa física)
DE
IPC Classification
Priority claims
DE
P 35 06 278.9 · 02/22/1985
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