Concessão da patente
#16.1
07/25/1989
RPI 979
The letters patent expired on 03/12/1996: 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: 07/25/1989. We update with every new RPI gazette, published weekly.
Applicants
Lorenzetti S/A Indústrias Brasileiras Eletrometalúrgicas
SP, BR
Inventors
C. L. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
07/25/1989
RPI 979
#13.1
12/06/1988
RPI 946
#9.1
08/09/1988
RPI 929
#4.1
08/18/1987
RPI 878
#3.1
07/28/1987
RPI 875
#2.1
04/01/1986
RPI 806
#21.1
03/12/1996
RPI 1319
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