Concessão da patente
#16.1
10/19/1982
RPI 626
The letters patent expired on 05/03/1994: 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: 10/19/1982. We update with every new RPI gazette, published weekly.
Applicants
SUMITOMO ELECTRIC INDUSTRIES
Inventors
M. M. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
10/19/1982
RPI 626
#13.1
06/22/1982
RPI 609
#9.1
03/02/1982
RPI 593
#21.1
05/03/1994
RPI 1222
From the same holder
Same category
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