Carta-patente expirada
#21.1
PATENTE EXTINTA EM 13.11.2022
12/20/2022
RPI 2711
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Official data from INPI
PI9816238
Arquivada/ExtintaInvention PatentPCT · US1998012621
Application data
Number
PI9816238Type
Invention Patent
Filing
06/22/1998
Publication
-
PCT
US1998012621 Progress at the INPI
- Filing06/22/98
- Publication
- Examination
- Allowance07/17/12
- Grant11/13/12
- Expired12/20/22
The letters patent expired on 12/20/2022: 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: 12/20/2022. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Pennzoil-Quaker State Company
US
Inventors
C. I. (pessoa física)
US
J. C. (pessoa física)
US
W. H. (pessoa física)
US
Technical data
IPC Classification
Priority claims
US
08/880,151 · 06/20/1997
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Concessão da patente
#16.1
11/13/2012
RPI 2184
Deferimento
#9.1
07/17/2012
RPI 2167
Exigência - art. 36 da LPI
#6.1
09/06/2011
RPI 2122
Notificação de pedido dividido
#2.4
Notificação da entrada da Fase Nacional (1.3):RPI 1544 (08/08/2000); Exigências técnicas (6.1): RPI's 1840 (11/04/2006), 1871(14/11/2006), 1893(17/04/2007) e 1849(13/05/2008)
11/30/2010
RPI 2082
Exigência - art. 36 da LPI
#6.1
05/13/2008
RPI 1949
Exigência - art. 36 da LPI
#6.1
04/17/2007
RPI 1893
Exigência - art. 36 da LPI
#6.1
11/14/2006
RPI 1871
Exigência - art. 36 da LPI
#6.1
04/11/2006
RPI 1840
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