Concessão da patente
#16.1
03/27/1984
RPI 701
The patent was granted on 03/27/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 03/27/1984. We update with every new RPI gazette, published weekly.
Applicants
Magnesita S/A
MG, BR
Inventors
F. E. (pessoa física)
L. A. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
03/27/1984
RPI 701
#13.1
12/20/1983
RPI 687
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08/30/1983
RPI 671
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04/05/1983
RPI 650
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02/16/1983
RPI 643
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09/25/1990
RPI 1034
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