20.4
07/16/1985
RPI 769
The patent was granted on 01/31/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 07/16/1985. We update with every new RPI gazette, published weekly.
Applicants
Duratex S.A.
SP, BR
Inventors
C. C. (pessoa física)
BR
J. M. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
07/16/1985
RPI 769
#16.1
01/31/1984
RPI 693
#13.1
09/06/1983
RPI 672
#9.1
04/19/1983
RPI 652
#6.1
08/03/1982
RPI 615
#18.2
08/28/1990
RPI 1030
From the same holder
Same category
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