Concessão da patente
#16.1
12/30/1986
RPI 845
The letters patent expired on 11/15/1994: 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: 12/30/1986. We update with every new RPI gazette, published weekly.
Applicants
Contemporânea Musicais e Instrumentos Ltda
Inventors
F. M. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
12/30/1986
RPI 845
07/29/1986
RPI 823
#13.1
11/12/1985
RPI 786
#9.1
07/09/1985
RPI 768
#4.1
10/02/1984
RPI 728
#3.1
07/03/1984
RPI 715
#2.1
01/18/1983
RPI 639
#21.1
11/15/1994
RPI 1250
From the same holder
Same category
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