Concessão da patente
#16.1
08/30/1988
RPI 932
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: 08/30/1988. We update with every new RPI gazette, published weekly.
Applicants
PAULO VIEGAS FERNANDES [BR]
VIOLA K VIEGAS FERNANDES [BR]
Inventors
F. [. (pessoa física)
F. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/30/1988
RPI 932
#9.1
03/15/1988
RPI 908
#15.6
12/22/1987
RPI 896
10/27/1987
RPI 888
#15.11
04/14/1987
RPI 860
#6.1
12/23/1986
RPI 844
#4.1
08/13/1985
RPI 773
#3.1
05/14/1985
RPI 760
#2.1
12/06/1983
RPI 685
#21.1
12/07/1993
RPI 1201
Same category
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