Concessão da patente
#16.1
09/27/1983
RPI 675
The letters patent expired on 08/25/1992: 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: 09/27/1983. We update with every new RPI gazette, published weekly.
Applicants
H. A. (pessoa física)
DE
Inventors
E. B. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/27/1983
RPI 675
#13.1
08/02/1983
RPI 667
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03/22/1983
RPI 648
10/06/1981
RPI 572
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era C02B 5/06.
03/27/2018
RPI 2464
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08/25/1992
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