Concessão da patente
#16.1
04/25/1989
RPI 966
The letters patent expired on 03/19/1996: 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: 04/25/1989. We update with every new RPI gazette, published weekly.
Applicants
L. C. (pessoa física)
US
Inventors
C. R. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
04/25/1989
RPI 966
#13.1
11/29/1988
RPI 945
#9.1
08/02/1988
RPI 928
#6.1
09/29/1987
RPI 884
#7.1
12/11/1984
RPI 738
#4.1
01/24/1984
RPI 692
#4.2
09/13/1983
RPI 673
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C08L 13/00; C09J 3/12.
03/27/2018
RPI 2464
#21.1
03/19/1996
RPI 1320
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