20.4
08/09/1988
RPI 929
The letters patent expired on 12/07/1993: 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: 08/09/1988. We update with every new RPI gazette, published weekly.
Applicants
Fundição Tupy S.A.
Inventors
M. I. (pessoa física)
M. M. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
08/09/1988
RPI 929
#20.1
08/02/1988
RPI 928
07/26/1988
RPI 927
#16.1
06/30/1987
RPI 871
#9.1
09/30/1986
RPI 832
#6.1
11/19/1985
RPI 787
#6.1
05/07/1985
RPI 759
#4.1
05/15/1984
RPI 708
#3.1
01/31/1984
RPI 693
#2.1
08/10/1982
RPI 616
#21.1
12/07/1993
RPI 1201
From the same holder
Same category
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