Concessão da patente
#16.1
08/30/1983
RPI 671
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: 08/30/1983. We update with every new RPI gazette, published weekly.
Applicants
CELFIL CO
Inventors
M. P. (pessoa física)
M. H. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/30/1983
RPI 671
#13.1
06/21/1983
RPI 661
#9.1
03/01/1983
RPI 645
12/22/1981
RPI 583
#21.1
05/03/1994
RPI 1222
Same category
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