Pedido de patente depositado
#2.1
10/11/1988
RPI 938
Application data
Number
PI8802356Type
Filing
Publication
The letters patent expired on 09/02/2008: 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: 10/11/1988. We update with every new RPI gazette, published weekly.
Applicants
W. K. (pessoa física)
RS, BR
Inventors
W. K. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
10/11/1988
RPI 938
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era F24G 5/14.
03/20/2018
RPI 2463
#21.1
Patente extinta em 04/05/2003
09/02/2008
RPI 1965
#16.1
03/31/1992
RPI 1113
#13.1
10/15/1991
RPI 1089
#9.1
06/18/1991
RPI 1072
#4.1
01/02/1991
RPI 1048
#3.1
01/09/1990
RPI 1001
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