20.7
10/08/1985
RPI 781
The patent was granted on 09/27/1983 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: 10/08/1985. We update with every new RPI gazette, published weekly.
Applicants
METALURGICA JOIA LTD
Inventors
M. E. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
10/08/1985
RPI 781
#16.1
09/27/1983
RPI 675
#13.1
06/07/1983
RPI 659
#9.1
02/08/1983
RPI 642
#18.2
09/25/1990
RPI 1034
From the same holder
Same category
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