111
06/09/1987
RPI 868
The letters patent expired on 11/21/1995: 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: 06/09/1987. We update with every new RPI gazette, published weekly.
Applicants
Prad Research And Development N.V.
NL
Inventors
P. R. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
06/09/1987
RPI 868
#16.1
03/26/1985
RPI 753
#9.1
09/18/1984
RPI 726
#6.1
01/10/1984
RPI 690
#4.1
08/16/1983
RPI 669
#21.1
11/21/1995
RPI 1303
From the same holder
Same category
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