Concessão da patente
#16.1
06/26/1984
RPI 714
The letters patent expired on 05/03/1994: 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: 06/26/1984. We update with every new RPI gazette, published weekly.
Applicants
DIAFIL INT SA
Inventors
R. V. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/26/1984
RPI 714
#13.1
02/28/1984
RPI 697
#9.1
11/08/1983
RPI 681
#6.1
06/07/1983
RPI 659
#6.1
01/19/1982
RPI 587
#21.1
05/03/1994
RPI 1222
Same category
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