Concessão da patente
#16.1
08/29/1989
RPI 984
The letters patent expired on 09/27/1994: 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: 08/29/1989. We update with every new RPI gazette, published weekly.
Applicants
H. T. (pessoa física)
SP, BR
Inventors
H. T. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/29/1989
RPI 984
#13.1
01/17/1989
RPI 952
10/25/1988
RPI 940
06/21/1988
RPI 922
#6.1
04/12/1988
RPI 912
08/25/1987
RPI 879
#12.2
05/05/1987
RPI 863
#9.2
01/13/1987
RPI 847
#5.1
07/01/1986
RPI 819
#4.1
02/25/1986
RPI 801
#3.1
07/23/1985
RPI 770
#2.1
03/07/1984
RPI 698
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: A47/ G21/00; A47G 21/02; A47G 21/10.
03/20/2018
RPI 2463
#21.1
09/27/1994
RPI 1243
Same category
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