Concessão da patente
#16.1
07/26/1988
RPI 927
The letters patent expired on 09/12/1995: 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: 07/26/1988. We update with every new RPI gazette, published weekly.
Applicants
D. C. (pessoa física)
US
Inventors
M. L. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
07/26/1988
RPI 927
#13.1
05/10/1988
RPI 916
#9.1
12/29/1987
RPI 897
#6.1
02/17/1987
RPI 852
#6.1
09/25/1984
RPI 727
#6.1
01/31/1984
RPI 693
#4.1
06/14/1983
RPI 660
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07F 7/08; C07C 19/02.
03/27/2018
RPI 2464
#21.1
09/12/1995
RPI 1293
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Same category
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