Solicitação de exame técnico
#4.1
04/22/1987
RPI 861
Application data
Number
PI8500242Type
Filing
Publication
The patent was granted on 02/26/1991 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: 04/22/1987. We update with every new RPI gazette, published weekly.
Applicants
Sumitomo Electric Industries, Ltd.
JP
Inventors
K. K. (pessoa física)
JP
S. I. (pessoa física)
JP
IPC Classification
Priority claims
JP
008224/1984 · 01/19/1984
JP
042780/1984 · 03/05/1984
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