Solicitação de exame técnico
#4.1
10/03/1989
RPI 989
Application data
Number
PI8700559Type
Filing
Publication
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: 10/03/1989. We update with every new RPI gazette, published weekly.
Applicants
Ishihara Sangyo Kaisha Ltd.
JP
Inventors
F. K. (pessoa física)
JP
H. S. (pessoa física)
JP
K. M. (pessoa física)
JP
M. I. (pessoa física)
JP
T. H. (pessoa física)
JP
T. Y. (pessoa física)
JP
IPC Classification
Priority claims
JP
118235/86 · 05/22/1986
JP
215543/86 · 09/12/1986
JP
25246/86 · 02/07/1986
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
10/03/1989
RPI 989
#3.1
12/08/1987
RPI 894
#2.1
06/09/1987
RPI 868
#21.1
Patente extinta em 06/02/2002
07/29/2008
RPI 1960
#16.1
12/26/1995
RPI 1308
#13.1
10/31/1995
RPI 1300
#9.1
06/20/1995
RPI 1281
#6.1
07/20/1993
RPI 1181
#6.1
10/13/1992
RPI 1141
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.