Solicitação de exame técnico
#4.1
11/03/1987
RPI 889
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Official data from INPI
ENVOLTÓRIO PARA COWPERS OU APARELHOS ANÁLOGOS E SEU PROCESSO DE FABRICAÇÃO
Em AnáliseInvention PatentPCT · FR1985000010
Application data
Number
PI8504777Type
Invention Patent
Filing
01/18/1985
Publication
12/24/1985
PCT
FR1985000010 Progress at the INPI
- Filing01/18/85
- Publication12/24/85
- Examination11/03/87
- Allowance04/07/92
- Grant03/30/93
- Expired07/15/08
The letters patent expired on 07/15/2008: 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: 11/03/1987. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Union Siderurgique Du Nord Et De L'Est De La France-"USINOR"
FR
Inventors
P. R. (pessoa física)
FR
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação de entrada na fase nacional - PCT
#1.3
12/24/1985
RPI 792
Carta-patente expirada
#21.1
Patente extinta em 18/01/2000
07/15/2008
RPI 1958
Concessão da patente
#16.1
03/30/1993
RPI 1165
Notificação para pagamento de retribuição
#13.1
11/24/1992
RPI 1147
9.1.3
07/07/1992
RPI 1127
Deferimento
#9.1
04/07/1992
RPI 1114
Exigência - art. 36 da LPI
#6.1
08/06/1991
RPI 1079
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