Publicação do pedido de patente
#3.1
01/12/1988
RPI 899
Application data
Number
PI8701697Type
Filing
Publication
The letters patent expired on 07/29/2008: 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: 01/12/1988. We update with every new RPI gazette, published weekly.
Applicants
U. C. (pessoa física)
US
Inventors
K. D. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
01/12/1988
RPI 899
#2.1
07/28/1987
RPI 875
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Procedimento automático de reclassificação. As classificações IPC anteriores eram: B01D 53/18; B01D 13/00.
03/27/2018
RPI 2464
#21.1
Patente extinta em 10/04/2002
07/29/2008
RPI 1960
#16.1
06/27/1995
RPI 1282
#9.1
01/10/1995
RPI 1258
#7.1
07/19/1994
RPI 1233
#4.1
06/19/1990
RPI 1023
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