Concessão da patente
#16.1
05/28/1985
RPI 762
The letters patent expired on 12/07/1993: 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: 05/28/1985. We update with every new RPI gazette, published weekly.
Applicants
Duratex Sociedade Anônima
SP, BR
Inventors
G. Z. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
05/28/1985
RPI 762
#13.1
01/29/1985
RPI 745
#9.1
09/25/1984
RPI 727
#4.1
01/10/1984
RPI 690
#3.1
03/29/1983
RPI 649
#21.1
12/07/1993
RPI 1201
From the same holder
Same category
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