Concessão da patente
#16.1
12/29/1981
RPI 584
The letters patent expired on 07/27/1993: 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
A. A. (pessoa física)
Inventors
F. N. (pessoa física)
T. S. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
12/29/1981
RPI 584
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era H01G 1/00.
03/27/2018
RPI 2464
#21.1
07/27/1993
RPI 1182
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