20.5
06/30/1987
RPI 871
The patent was granted on 11/30/1982 and is in force until 07/06/1997. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.
Protection valid until:07/06/1997
Latest action published by the INPI: 06/30/1987. We update with every new RPI gazette, published weekly.
Applicants
D. R. (pessoa física)
Inventors
C. E. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
06/30/1987
RPI 871
#18.2
03/17/1987
RPI 856
01/25/1983
RPI 640
#16.1
11/30/1982
RPI 632
#13.1
07/27/1982
RPI 614
#9.1
04/06/1982
RPI 598
From the same holder
Same category
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