Carta-patente expirada
#21.1
Patente extinta em 15/12/2009
01/02/2013
RPI 2191
Application data
Number
PI8906591Type
Filing
Publication
The letters patent expired on 01/02/2013: 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: 01/02/2013. We update with every new RPI gazette, published weekly.
Applicants
Y. C. (pessoa física)
JP
Y. K. (pessoa física)
JP
Inventors
K. N. (pessoa física)
BR
M. U. (pessoa física)
JP
IPC Classification
Priority claims
JP
63-318929 · 12/16/1988
JP
63-323989 · 12/22/1988
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