15.9
12/05/1989
RPI 998
Application data
Number
PI8600940Type
Filing
Publication
The letters patent expired on 07/22/2008: 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: 12/05/1989. We update with every new RPI gazette, published weekly.
Applicants
NL Industries, Inc
US
Inventors
D. N. (pessoa física)
US
F. F. (pessoa física)
GB
W. C. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
12/05/1989
RPI 998
#9.1
12/05/1989
RPI 998
#4.1
04/14/1987
RPI 860
#3.1
11/18/1986
RPI 839
#2.1
08/26/1986
RPI 827
#21.1
Patente extinta em 05/03/2001
07/22/2008
RPI 1959
#24.2
Complemente a retribuição da 12ª e 13ª anuidade de acordo com a tabela vigênte
09/28/1999
RPI 1499
#16.1
02/13/1991
RPI 1054
10/16/1990
RPI 1037
10/09/1990
RPI 1036
#13.1
04/10/1990
RPI 1013
04/10/1990
RPI 1013
From the same holder
Same category
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