Concessão da patente
#16.1
12/29/1981
RPI 584
The letters patent expired on 12/31/2024: 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: 12/29/1981. We update with every new RPI gazette, published weekly.
Applicants
G. O. (pessoa física)
Inventors
G. O. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
12/29/1981
RPI 584
#21.1
PATENTE EXTINTA EM 12/05/1986
12/31/2024
RPI 2817
Same category
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