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Official data from INPI

PROCESSO DE EXPLORAÇÃO DE UM REATOR NUCLEAR MODERADO E REFRIGERADO COM ÁGUA LEVE

Em AnáliseInvention Patent

Application data

Number

PI8400451

Type

Invention Patent

Filing

02/02/1984

Publication

09/10/1985

Progress at the INPI

  1. Filing02/02/84
  2. Publication09/10/85
  3. Examination06/02/87
  4. Allowance05/21/91
  5. Grant11/26/91
  6. Expired07/08/08

The letters patent expired on 07/08/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/02/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Framatome & Cie

FR

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Inventors

J. M. (pessoa física)

FR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

06/02/1987

RPI 867

Publicação do pedido de patente

#3.1

09/10/1985

RPI 777

Pedido de patente depositado

#2.1

04/17/1984

RPI 704

Carta-patente expirada

#21.1

Patente extinta em 02/02/99

07/08/2008

RPI 1957

Concessão da patente

#16.1

11/26/1991

RPI 1095

Notificação para pagamento de retribuição

#13.1

09/03/1991

RPI 1083

Deferimento

#9.1

05/21/1991

RPI 1068

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