Solicitação de exame técnico
#4.1
06/06/1989
RPI 972
Application data
Number
PI8706876Type
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: 06/06/1989. We update with every new RPI gazette, published weekly.
Applicants
De Nora Permelec S.p.A
IT
De Nora S.p.A
IT
Parmelec Spa
IT
Inventors
C. T. (pessoa física)
IT
R. S. (pessoa física)
IT
T. L. (pessoa física)
IT
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
06/06/1989
RPI 972
02/21/1989
RPI 957
02/14/1989
RPI 956
#3.1
07/26/1988
RPI 927
#2.1
03/29/1988
RPI 910
#21.1
Patente extinta em 17/12/2002
07/29/2008
RPI 1960
#25.4
Alterado de: De Nora Parmelec S.P.A.
11/03/1998
RPI 1452
#16.1
06/27/1995
RPI 1282
#13.1
03/21/1995
RPI 1268
#9.1
11/15/1994
RPI 1250
From the same holder
Same category
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