20.3
10/17/1989
RPI 991
The letters patent expired on 09/21/1993: 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: 10/17/1989. We update with every new RPI gazette, published weekly.
Applicants
COMPRET NV
Inventors
K. G. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
10/17/1989
RPI 991
#16.1
02/22/1983
RPI 644
#13.1
01/11/1983
RPI 638
#9.1
08/24/1982
RPI 618
#6.1
02/16/1982
RPI 591
11/03/1981
RPI 576
#21.1
09/21/1993
RPI 1190
#20.1
03/05/1991
RPI 1057
02/26/1991
RPI 1056
#20.2
05/15/1990
RPI 1018
From the same holder
Same category
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