Concessão da patente
#16.1
12/27/1988
RPI 949
The letters patent expired on 09/21/1993: 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: 12/27/1988. We update with every new RPI gazette, published weekly.
Applicants
I. K. (pessoa física)
Inventors
H. T. (pessoa física)
N. R. (pessoa física)
S. N. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
12/27/1988
RPI 949
#13.1
10/04/1988
RPI 937
#9.1
06/14/1988
RPI 921
#6.1
10/06/1987
RPI 885
11/04/1986
RPI 837
#7.1
11/27/1984
RPI 736
#6.1
12/07/1982
RPI 633
#21.1
09/21/1993
RPI 1190
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Same category
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