Exigência - art. 36 da LPI
#6.1
06/06/1989
RPI 972
Application data
Number
PI8406548Type
Filing
Publication
The letters patent expired on 07/08/2008: 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: 06/06/1989. We update with every new RPI gazette, published weekly.
Applicants
Sumitomo Electric Industries, Ltd.
JP
Inventors
K. A. (pessoa física)
US
N. K. (pessoa física)
US
IPC Classification
Priority claims
JP
240295/83 · 12/19/1983
JP
240296/83 · 12/19/1983
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