Solicitação de exame técnico
#4.1
01/17/1989
RPI 952
Application data
Number
PI8801856Type
Filing
Publication
The letters patent expired on 09/02/2008: 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: 01/17/1989. We update with every new RPI gazette, published weekly.
Applicants
H. K. (pessoa física)
JP
Inventors
N. Y. (pessoa física)
JP
S. O. (pessoa física)
JP
IPC Classification
Priority claims
JP
177170/87 · 07/17/1987
JP
83265/87 · 04/17/1987
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