Concessão da patente
#16.1
11/29/1988
RPI 945
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: 11/29/1988. We update with every new RPI gazette, published weekly.
Applicants
SALVATOR EVANGELISTA DA SILVA [BR]
Inventors
S. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
11/29/1988
RPI 945
#13.1
08/09/1988
RPI 929
#9.1
04/26/1988
RPI 914
#6.1
12/29/1987
RPI 897
#4.1
11/11/1986
RPI 838
#3.1
01/07/1986
RPI 794
#2.1
07/31/1984
RPI 719
#21.1
11/22/1994
RPI 1251
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