Deferimento
#9.1
08/29/1989
RPI 984
The letters patent expired on 09/17/1996: 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: 08/29/1989. We update with every new RPI gazette, published weekly.
Applicants
Metalúrgica Detroit S/A
SP, BR
Inventors
H. S. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#9.1
08/29/1989
RPI 984
#4.1
06/16/1987
RPI 869
#3.2
04/14/1987
RPI 860
#2.1
02/03/1987
RPI 850
#21.1
09/17/1996
RPI 1346
#16.1
03/20/1990
RPI 1010
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Same category
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