Concessão da patente
#16.1
08/30/1988
RPI 932
The letters patent expired on 10/04/1994: 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: 08/30/1988. We update with every new RPI gazette, published weekly.
Applicants
PEDRO LIASCH FILHO [BR]
Inventors
L. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/30/1988
RPI 932
#13.1
03/01/1988
RPI 906
#9.1
11/10/1987
RPI 890
#15.11
06/09/1987
RPI 868
#6.1
03/17/1987
RPI 856
#4.1
06/24/1986
RPI 818
#3.1
09/24/1985
RPI 779
#2.1
05/08/1984
RPI 707
#21.1
10/04/1994
RPI 1244
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