Solicitação de exame técnico
#4.1
10/24/1989
RPI 992
Application data
Number
PI8707609Type
Filing
Publication
PCT
US1987000336 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: 10/24/1989. We update with every new RPI gazette, published weekly.
Applicants
T. C. (pessoa física)
US
Inventors
W. J. (pessoa física)
US
IPC Classification
Priority claims
US
832,569 · 02/21/1986
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
10/24/1989
RPI 992
#1.3
03/14/1989
RPI 960
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C10M 135/12; C10M 135/18; C10L 1/24; C07C 155/06; C10N 10/12; C10N 30/06; C10N 30/10; C10N 40/00.
03/27/2018
RPI 2464
#21.1
Patente extinta em 27/05/2007
08/26/2008
RPI 1964
Referência: RPI 1382 de 27.05.1997@ Prazo de validade: de acordo com o parágrafo único do artigo 40 da Lei 9279/96, 10 (dez) anos contados a partir de 27.05.1997, observadas as condições legais.
07/28/1998
RPI 1440
#16.1
05/27/1997
RPI 1382
#13.1
12/10/1996
RPI 1358
#9.1
03/19/1996
RPI 1320
#6.1
07/18/1995
RPI 1285
#6.1
09/27/1994
RPI 1243
#6.1
01/25/1994
RPI 1208
From the same holder
Same category
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