Pedido de licença compulsória
#20.1
09/02/1986
RPI 828
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Application data
Number
PI8206792Type
Invention Patent
Filing
11/24/1982
Publication
02/22/1983
Progress at the INPI
- Filing11/24/82
- Publication02/22/83
- Examination06/14/83
- Allowance02/26/85
- Grant10/01/85
- Expired08/19/08
The letters patent expired on 08/19/2008: 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: 09/02/1986. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
MOFERCO METALURG LTD [BR]
Inventors
S. F. (pessoa física)
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Concessão da patente
#16.1
10/01/1985
RPI 780
Notificação para pagamento de retribuição
#13.1
06/25/1985
RPI 766
Deferimento
#9.1
02/26/1985
RPI 749
Solicitação de exame técnico
#4.1
06/14/1983
RPI 660
Publicação antecipada
#3.2
02/22/1983
RPI 644
Pedido de patente depositado
#2.1
01/18/1983
RPI 639
Carta-patente expirada
#21.1
Patente extinta em 24/11/97
08/19/2008
RPI 1963
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