14.4
08/29/1989
RPI 984
Application data
Number
PI8505563Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 08/29/1989. We update with every new RPI gazette, published weekly.
Applicants
De Nora Permelec S.p.A.
IT
Inventors
A. P. (pessoa física)
IT
IPC Classification
Priority claims
IT
83633 A/84 · 11/07/1984
Publications in the Brazilian Industrial Property Gazette (RPI).
08/29/1989
RPI 984
#4.1
11/18/1986
RPI 839
#3.1
08/12/1986
RPI 825
#2.1
01/14/1986
RPI 795
#21.1
Patente extinta em 06/11/2000
07/15/2008
RPI 1958
#16.1
11/26/1991
RPI 1095
#13.1
08/13/1991
RPI 1080
#9.1
04/30/1991
RPI 1065
#6.1
11/27/1990
RPI 1043
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Same category
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