20.4
03/24/1987
RPI 857
The patent is in force and subject to a compulsory licence request: third parties have asked for authorisation to exploit the technology.
Protection valid until:10/16/1994
Latest action published by the INPI: 03/24/1987. We update with every new RPI gazette, published weekly.
Applicants
S. D. (pessoa física)
Inventors
E. B. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
03/24/1987
RPI 857
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era F21M 7/00.
03/27/2018
RPI 2464
From the same holder
Same category
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