18.3
10/24/1989
RPI 992
The letters patent expired on 08/10/1993: 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: 10/24/1989. We update with every new RPI gazette, published weekly.
Applicants
PROCTER & GAMBLE
Inventors
T. H. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
10/24/1989
RPI 992
05/23/1989
RPI 970
#16.1
01/25/1983
RPI 640
#21.1
08/10/1993
RPI 1184
From the same holder
Same category
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