Concessão da patente
#16.1
05/29/1984
RPI 710
The letters patent expired on 07/26/1994: 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: 05/29/1984. We update with every new RPI gazette, published weekly.
Applicants
SONY CORP
Inventors
A. T. (pessoa física)
S. S. (pessoa física)
T. F. (pessoa física)
T. H. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
05/29/1984
RPI 710
#13.1
03/27/1984
RPI 701
#9.1
12/06/1983
RPI 685
#6.1
07/12/1983
RPI 664
#15.11
01/26/2010
RPI 2038
#21.1
07/26/1994
RPI 1234
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