Solicitação de exame técnico
#4.1
09/23/1986
RPI 831
Application data
Number
PI8505109Type
Filing
Publication
The patent was granted on 02/13/1991 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: 09/23/1986. We update with every new RPI gazette, published weekly.
Applicants
Sumitomo Metal Industries, LTD.
JP
Inventors
C. H. (pessoa física)
JP
M. W. (pessoa física)
US
T. N. (pessoa física)
JP
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