Concessão da patente
#16.1
11/30/1982
RPI 632
The letters patent expired on 07/13/1993: 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: 11/30/1982. We update with every new RPI gazette, published weekly.
Applicants
SONY CORP
Inventors
H. J. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
11/30/1982
RPI 632
#13.1
09/08/1982
RPI 620
#9.1
05/18/1982
RPI 604
12/01/1981
RPI 580
#6.1
11/10/1981
RPI 577
#21.1
07/13/1993
RPI 1180
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