Concessão da patente
#16.1
04/30/1985
RPI 758
Application data
Number
PI8105133Type
Filing
Publication
The letters patent expired on 08/19/2008: 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: 04/30/1985. We update with every new RPI gazette, published weekly.
Applicants
SONY CORP
Inventors
H. H. (pessoa física)
T. H. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
04/30/1985
RPI 758
#13.1
01/15/1985
RPI 743
#9.1
09/18/1984
RPI 726
#6.1
04/17/1984
RPI 704
#4.1
08/03/1982
RPI 615
#3.1
04/27/1982
RPI 601
#21.1
Patente extinta em 10/08/96
08/19/2008
RPI 1963
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