311
08/07/1984
RPI 720
The patent was granted on 08/31/1982 and is in force until 11/28/1997. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.
Protection valid until:11/28/1997
Latest action published by the INPI: 08/07/1984. We update with every new RPI gazette, published weekly.
Applicants
BECKER METALURG LTD
Inventors
B. E. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
08/07/1984
RPI 720
01/10/1984
RPI 690
#17.1
09/06/1983
RPI 672
#16.1
08/31/1982
RPI 619
#13.1
04/13/1982
RPI 599
#9.1
12/01/1981
RPI 580
From the same holder
Same category
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