Publicação do pedido de patente
#3.1
11/14/1989
RPI 995
Application data
Number
PI8801868Type
Filing
Publication
The letters patent expired on 08/26/2008: 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: 11/14/1989. We update with every new RPI gazette, published weekly.
Applicants
The Standard Oil Company
US
Inventors
A. G. (pessoa física)
US
J. J. (pessoa física)
US
R. G. (pessoa física)
US
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
11/14/1989
RPI 995
#2.1
08/30/1988
RPI 932
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07C 120/14; C07C 121/32; B01J 27/18.
03/27/2018
RPI 2464
#21.1
Patente extinta em 20/04/2008
08/26/2008
RPI 1964
#16.1
08/26/1997
RPI 1395
#13.1
02/04/1997
RPI 1366
#9.1
04/09/1996
RPI 1323
09/05/1995
RPI 1292
#6.1
05/23/1995
RPI 1277
#4.1
12/17/1991
RPI 1098
From the same holder
Same category
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