Concessão da patente
#16.1
12/29/1987
RPI 897
Application data
Number
PI8204428Type
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: 12/29/1987. We update with every new RPI gazette, published weekly.
Applicants
S. K. (pessoa física)
JP
Inventors
H. H. (pessoa física)
JP
S. H. (pessoa física)
JP
S. K. (pessoa física)
JP
IPC Classification
Priority claims
JP
56-118768 · 07/28/1981
JP
56-125515 · 08/10/1981
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Patente extinta em 27/07/97
07/01/2008
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