Concessão da patente
#16.1
04/24/1984
RPI 705
The letters patent expired on 07/06/1993: 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: 04/24/1984. We update with every new RPI gazette, published weekly.
Applicants
CARBORUNDUM CO
Inventors
C. J. (pessoa física)
S. R. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
04/24/1984
RPI 705
#13.1
02/14/1984
RPI 695
#9.1
11/01/1983
RPI 680
#6.1
01/12/1982
RPI 586
#21.1
07/06/1993
RPI 1179
From the same holder
Same category
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