Publicação do pedido de patente
#3.1
06/21/1988
RPI 922
Application data
Number
PI8706117Type
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: 06/21/1988. We update with every new RPI gazette, published weekly.
Applicants
Kenrich Petrochemicals, Inc
US
Inventors
G. S. (pessoa física)
US
S. M. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
06/21/1988
RPI 922
#2.1
03/01/1988
RPI 906
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C09J 5/02; C09J 3/00.
03/27/2018
RPI 2464
#21.1
Patente extinta em 12/11/2002
07/29/2008
RPI 1960
#16.1
04/30/1996
RPI 1326
#9.1
09/12/1995
RPI 1293
#6.1
02/21/1995
RPI 1264
#4.1
09/11/1990
RPI 1032
From the same holder
Same category
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