320
09/26/1989
RPI 988
Application data
Number
PI8104495Type
Filing
Publication
The letters patent expired on 10/08/1996: 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: 09/26/1989. We update with every new RPI gazette, published weekly.
Applicants
Duratex Sociedade Anônima
SP, BR
Inventors
L. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
09/26/1989
RPI 988
02/09/1988
RPI 903
08/18/1987
RPI 878
#17.1
03/31/1987
RPI 858
#20.1
11/04/1986
RPI 837
#16.1
03/25/1986
RPI 805
#13.1
11/12/1985
RPI 786
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07/09/1985
RPI 768
#4.1
11/27/1984
RPI 736
#3.1
02/22/1983
RPI 644
#21.1
10/08/1996
RPI 1349
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Same category
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