Solicitação de exame técnico
#4.1
10/17/1989
RPI 991
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Official data from INPI
PROCESSO PARA A PREPARAÇÃO DE COQUILHAS DE FUNDIÇÃO CONTÍNUA A PARTIR DE UMA LIGA DE COBRE
Em AnáliseInvention Patent
Application data
Number
PI8803869Type
Invention Patent
Filing
08/04/1988
Publication
02/21/1989
Progress at the INPI
- Filing08/04/88
- Publication02/21/89
- Examination10/17/89
- Allowance06/11/96
- Grant04/29/97
- Expired09/02/08
The letters patent expired on 09/02/2008: 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: 10/17/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Kabel - Und Metallwerke Gutehoffnungshuette Ag.
DE
Kabel - Und Metallwerke Gutehoffnungshuette AG
DE
Inventors
H. G. (pessoa física)
DE
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Publicação do pedido de patente
#3.1
02/21/1989
RPI 957
Pedido de patente depositado
#2.1
01/03/1989
RPI 950
Carta-patente expirada
#21.1
Patente extinta em 04/08/2003
09/02/2008
RPI 1965
Concessão da patente
#16.1
04/29/1997
RPI 1378
Deferimento
#9.1
06/11/1996
RPI 1332
Exigência - art. 36 da LPI
#6.1
11/14/1995
RPI 1302
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