18.8
01/31/1989
RPI 954
The letters patent expired on 03/26/1996: 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: 01/31/1989. We update with every new RPI gazette, published weekly.
Applicants
Metalurgica Detroit S/A.
SP, BR
Inventors
P. A. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
01/31/1989
RPI 954
#18.2
11/16/1988
RPI 943
#20.1
05/27/1986
RPI 814
#16.1
08/27/1985
RPI 775
#13.1
04/23/1985
RPI 757
#9.1
01/02/1985
RPI 741
#15.11
11/27/1984
RPI 736
#6.1
07/17/1984
RPI 717
#21.1
03/26/1996
RPI 1321
From the same holder
Same category
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