Concessão da patente
#16.1
03/27/1984
RPI 701
The letters patent expired on 07/20/1993: 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: 03/27/1984. We update with every new RPI gazette, published weekly.
Applicants
VEITSCHER MAGNESITWERKE AG
Inventors
G. H. (pessoa física)
H. F. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
03/27/1984
RPI 701
12/27/1983
RPI 688
11/16/1983
RPI 682
06/07/1983
RPI 659
#12.1
11/17/1981
RPI 578
#21.1
07/20/1993
RPI 1181
From the same holder
Same category
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