20.4
07/05/1983
RPI 663
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: 07/05/1983. 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).
07/05/1983
RPI 663
From the same holder
Same category
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