Concessão da patente
#16.1
12/27/1983
RPI 688
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: 12/27/1983. We update with every new RPI gazette, published weekly.
Applicants
Y. K. (pessoa física)
Inventors
K. Y. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
12/27/1983
RPI 688
#13.1
09/27/1983
RPI 675
#9.1
05/24/1983
RPI 657
12/14/1982
RPI 634
#6.1
04/27/1982
RPI 601
#21.1
04/04/1995
RPI 1270
#22.1
11/12/1991
RPI 1093
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Same category
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