Pedido de licença voluntária
#17.1
03/01/1988
RPI 906
The letters patent expired on 08/26/2008: 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: 03/01/1988. We update with every new RPI gazette, published weekly.
Applicants
Lorenzetti S/A Indústrias Brasileiras Eletrometalúrgicas
SP, BR
Inventors
B. F. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#17.1
03/01/1988
RPI 906
#16.1
12/30/1986
RPI 845
#13.1
09/02/1986
RPI 828
#9.1
05/13/1986
RPI 812
#4.1
04/30/1985
RPI 758
#3.1
02/12/1985
RPI 747
#2.1
08/16/1983
RPI 669
#21.1
Patente extinta em 04/07/1993
08/26/2008
RPI 1964
From the same holder
Same category
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