Concessão da patente
#16.1
11/24/1987
RPI 892
The letters patent expired on 12/26/1995: 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: 11/24/1987. We update with every new RPI gazette, published weekly.
Applicants
N. C. (pessoa física)
JP
Inventors
O. A. (pessoa física)
T. Y. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
11/24/1987
RPI 892
#13.1
10/20/1987
RPI 887
#9.1
06/23/1987
RPI 870
#7.1
06/25/1985
RPI 766
#6.1
08/07/1984
RPI 720
02/07/1984
RPI 694
#21.1
12/26/1995
RPI 1308
From the same holder
Same category
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