Carta-patente expirada
#21.1
Patente extinta em 01/11/2010
05/21/2013
RPI 2211
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Official data from INPI
RECIPIENTE ADEQUADO PARA UM ELETRÓLITO CORROSIVO E PROCESSO DE FABRICAÇÃO DO MESMO
Arquivada/ExtintaInvention Patent
Application data
Number
PI9005568Type
Invention Patent
Filing
11/01/1990
Publication
09/17/1991
Progress at the INPI
- Filing11/01/90
- Publication09/17/91
- Examination10/11/94
- Allowance11/09/99
- Grant05/30/00
- Expired05/21/13
The letters patent expired on 05/21/2013: 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: 05/21/2013. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Corrosion IP Corp.
US
Corrosion Technology, Inc
US
Inventors
G. V. (pessoa física)
US
J. H. (pessoa física)
US
Technical data
IPC Classification
Priority claims
US
431.526 · 11/03/1989
US
442.593 · 11/29/1989
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Transferência deferida
#25.1
Transferido de: Corrosion Technology, Inc.
02/13/2007
RPI 1884
Concessão da patente
#16.1
05/30/2000
RPI 1534
Deferimento
#9.1
11/09/1999
RPI 1505
Exigência - art. 36 da LPI
#6.1
06/15/1999
RPI 1484
Solicitação de exame técnico
#4.1
10/11/1994
RPI 1245
Publicação do pedido de patente
#3.1
09/17/1991
RPI 1085
Pedido de patente depositado
#2.1
04/30/1991
RPI 1065
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