20.4
02/23/1988
RPI 905
The letters patent expired on 12/26/1995: 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: 02/23/1988. We update with every new RPI gazette, published weekly.
Applicants
Codistil S.A - Denini
SP, BR
Inventors
G. N. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
02/23/1988
RPI 905
02/17/1988
RPI 904
#20.1
02/09/1988
RPI 903
#16.1
08/27/1985
RPI 775
06/18/1985
RPI 765
03/26/1985
RPI 753
#12.1
03/27/1984
RPI 701
#9.1
12/13/1983
RPI 686
#21.1
12/26/1995
RPI 1308
From the same holder
Same category
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