20.4
09/06/1988
RPI 933
The letters patent expired on 08/25/1992: 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: 09/06/1988. We update with every new RPI gazette, published weekly.
Applicants
Netzsch-Mohnopumpen Gmbh
DE
Inventors
E. B. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
09/06/1988
RPI 933
#21.1
08/25/1992
RPI 1134
From the same holder
Same category
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