Concessão da patente
#16.1
11/16/1983
RPI 682
The letters patent expired on 04/25/1995: 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: 11/16/1983. We update with every new RPI gazette, published weekly.
Applicants
Produtos Elétricos Corona Ltda.
SP, BR
Inventors
Y. A. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
11/16/1983
RPI 682
#13.1
08/09/1983
RPI 668
04/26/1983
RPI 653
#12.1
01/11/1983
RPI 638
#9.1
08/24/1982
RPI 618
#21.1
04/25/1995
RPI 1273
From the same holder
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