Concessão da patente
#16.1
11/27/1984
RPI 736
The letters patent expired on 11/22/1994: 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: 11/27/1984. We update with every new RPI gazette, published weekly.
Applicants
N. S. (pessoa física)
Z. V. (pessoa física)
Inventors
E. B. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
11/27/1984
RPI 736
#13.1
08/07/1984
RPI 720
#9.1
04/03/1984
RPI 702
#4.1
10/20/1981
RPI 574
#21.1
11/22/1994
RPI 1251
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Same category
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