Solicitação de exame técnico
#4.1
05/17/1988
RPI 917
Application data
Number
PI8701941Type
Filing
Publication
The letters patent expired on 07/29/2008: 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: 05/17/1988. We update with every new RPI gazette, published weekly.
Applicants
K. C. (pessoa física)
JP
Inventors
H. T. (pessoa física)
JP
S. H. (pessoa física)
JP
Y. O. (pessoa física)
JP
IPC Classification
Priority claims
JP
61-93567 · 04/23/1986
JP
61-98834 · 04/28/1986
Publications in the Brazilian Industrial Property Gazette (RPI).
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05/17/1988
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07/28/1987
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Patente extinta em 23/04/2002
07/29/2008
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05/31/1994
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11/16/1993
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