Solicitação de exame técnico
#4.1
08/05/1986
RPI 824
Application data
Number
PI8502186Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 08/05/1986. We update with every new RPI gazette, published weekly.
Applicants
M. K. (pessoa física)
JP
Inventors
Y. W. (pessoa física)
JP
IPC Classification
Priority claims
JP
94906/1984 · 05/09/1984
Publications in the Brazilian Industrial Property Gazette (RPI).
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Procedimento automático de reclassificação. As classificações IPC anteriores eram: B21B 41/12; B21B 37/04; B21B 37/10.
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