Carta-patente expirada
#21.1
Patente extinta em 31/08/2005
06/01/2010
RPI 2056
Application data
Number
PI9004461Type
Filing
Publication
The letters patent expired on 06/01/2010: 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: 06/01/2010. We update with every new RPI gazette, published weekly.
Applicants
Y. K. (pessoa física)
JP
Inventors
S. O. (pessoa física)
JP
IPC Classification
Priority claims
JP
1-102293 · 08/31/1989
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 31/08/2005
06/01/2010
RPI 2056
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