Concessão da patente
#16.1
12/27/1988
RPI 949
The letters patent expired on 11/22/1994: 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: 12/27/1988. We update with every new RPI gazette, published weekly.
Applicants
Duratex Sociedade Anônima
SP, BR
Inventors
P. A. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
12/27/1988
RPI 949
#13.1
08/09/1988
RPI 929
#9.1
04/26/1988
RPI 914
#6.1
11/17/1987
RPI 891
#4.1
06/24/1986
RPI 818
#3.1
02/18/1986
RPI 800
#2.1
09/11/1984
RPI 725
#21.1
11/22/1994
RPI 1251
From the same holder
Same category
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