Solicitação de exame técnico
#4.1
06/27/1989
RPI 975
Application data
Number
PI8707524Type
Filing
Publication
PCT
JP1987000851 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: 06/27/1989. We update with every new RPI gazette, published weekly.
Applicants
Sumitomo Electric Industries, Ltd.
JP
Inventors
K. A. (pessoa física)
JP
M. K. (pessoa física)
JP
IPC Classification
Priority claims
JP
175517/87 · 07/13/1987
JP
263046/86 · 11/05/1986
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
06/27/1989
RPI 975
#1.3
02/21/1989
RPI 957
#21.1
Patente extinta em 04/11/2002
07/29/2008
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#16.1
01/30/1996
RPI 1313
#13.1
11/07/1995
RPI 1301
#9.1
06/27/1995
RPI 1282
#6.1
07/05/1994
RPI 1231
#6.1
03/23/1993
RPI 1164
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