Concessão da patente
#16.1
09/25/1984
RPI 727
The letters patent expired on 12/07/1993: 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: 09/25/1984. We update with every new RPI gazette, published weekly.
Applicants
LUIZ BUSTAMANTE FERNANDEZ [BR]
Inventors
L. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/25/1984
RPI 727
#13.1
05/02/1984
RPI 706
#9.1
01/10/1984
RPI 690
#6.1
05/31/1983
RPI 658
#4.1
10/05/1982
RPI 624
#3.1
10/06/1981
RPI 572
#21.1
12/07/1993
RPI 1201
Same category
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