Concessão da patente
#16.1
04/26/1983
RPI 653
The letters patent expired on 04/04/1995: 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: 04/26/1983. We update with every new RPI gazette, published weekly.
Applicants
Y. K. (pessoa física)
Inventors
Y. Y. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
04/26/1983
RPI 653
#13.1
01/11/1983
RPI 638
#9.1
08/24/1982
RPI 618
#21.1
04/04/1995
RPI 1270
#22.1
11/12/1991
RPI 1093
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