20.5
12/05/1989
RPI 998
The patent was granted on 07/27/1982 and is in force until 02/26/1995. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.
Protection valid until:02/26/1995
Latest action published by the INPI: 12/05/1989. We update with every new RPI gazette, published weekly.
Applicants
GRACE W R & CO
Inventors
H. R. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
12/05/1989
RPI 998
#18.2
01/17/1989
RPI 952
#16.1
07/27/1982
RPI 614
#13.1
10/27/1981
RPI 575
From the same holder
Same category
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