20.4
10/25/1988
RPI 940
Application data
Number
PI8200617Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 10/25/1988. We update with every new RPI gazette, published weekly.
Applicants
M. C. (pessoa física)
JP
M. C. (pessoa física)
JP
Inventors
N. G. (pessoa física)
JP
O. K. (pessoa física)
JP
T. T. (pessoa física)
JP
IPC Classification
Priority claims
JP
16195/1981 · 02/05/1981
JP
98639/1981 · 06/25/1981
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07/01/2008
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04/08/1997
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