Concessão da patente
#16.1
06/30/1981
RPI 558
The letters patent expired on 11/24/1992: 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: 06/30/1981. We update with every new RPI gazette, published weekly.
Applicants
N.V. Bekaert S.A.
BE
Inventors
E. B. (pessoa física)
IPC Classification
No IPC classification.
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/30/1981
RPI 558
#21.1
11/24/1992
RPI 1147
From the same holder
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