Pedido de certificado de adição de invenção
#5.1
11/08/1988
RPI 942
The patent was granted on 02/04/1992 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 11/08/1988. We update with every new RPI gazette, published weekly.
Applicants
Metalúrgica Leitzke Ltda.
SC, BR
Inventors
W. L. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#5.1
11/08/1988
RPI 942
#4.1
08/09/1988
RPI 929
#3.1
05/10/1988
RPI 916
#2.1
03/31/1987
RPI 858
#18.2
11/14/1995
RPI 1302
#16.1
02/04/1992
RPI 1105
#13.1
10/08/1991
RPI 1088
#9.1
06/11/1991
RPI 1071
#6.1
01/08/1991
RPI 1049
From the same holder
Same category
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