320
05/24/1988
RPI 918
The letters patent expired on 09/24/1996: 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: 05/24/1988. We update with every new RPI gazette, published weekly.
Applicants
Metalúrgica Detroit S/A
SP, BR
Inventors
P. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
05/24/1988
RPI 918
10/20/1987
RPI 887
#20.1
09/29/1987
RPI 884
06/16/1987
RPI 869
#17.1
12/30/1986
RPI 845
#16.1
02/25/1986
RPI 801
#13.1
12/03/1985
RPI 789
10/08/1985
RPI 781
#12.1
11/13/1984
RPI 734
#9.1
07/31/1984
RPI 719
#6.1
12/13/1983
RPI 686
#6.1
08/09/1983
RPI 668
#21.1
09/24/1996
RPI 1347
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Same category
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