14.4
08/29/1989
RPI 984
Application data
Number
PI8507124Type
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
De Nora S.p.A
IT
Inventors
G. N. (pessoa física)
IT
G. M. (pessoa física)
US
R. B. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
08/29/1989
RPI 984
#4.1
10/06/1987
RPI 885
#1.3
07/14/1987
RPI 873
#21.1
Patente extinta em 13/12/2000
07/15/2008
RPI 1958
#25.4
Alterado de: De Nora Permelec S.p.A.
08/10/1999
RPI 1492
#16.1
04/25/1995
RPI 1273
#13.1
11/29/1994
RPI 1252
#9.1
08/02/1994
RPI 1235
#6.1
05/25/1993
RPI 1173
07/16/1991
RPI 1076
#7.1
05/28/1991
RPI 1069
From the same holder
Same category
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