6.2
07/26/1988
RPI 927
Application data
Number
PI8403253Type
Filing
Publication
The patent was granted on 07/30/1991 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: 07/26/1988. We update with every new RPI gazette, published weekly.
Applicants
Sumitomo Electric Industries, Ltd.
JP
Inventors
K. K. (pessoa física)
JP
N. M. (pessoa física)
US
N. K. (pessoa física)
US
T. S. (pessoa física)
JP
IPC Classification
Priority claims
JP
120457/1983 · 07/01/1983
JP
120458/1983 · 07/01/1983
Publications in the Brazilian Industrial Property Gazette (RPI).
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09/03/1991
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