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Official data from INPI

DISPOSITIVO DE MANUTENCAO TRANSVERSAL DAS BARRAS COMBUSTIVEIS DE UMA LIGACAO PARA REATOR NUCLEAR

ConcedidaInvention Patent

Application data

Number

PI7903046

Type

Invention Patent

Filing

05/19/1978

Publication

-

Progress at the INPI

  1. Filing05/19/78
  2. Publication
  3. Examination
  4. Allowance08/24/82
  5. Grant03/29/83
  6. Expired07/26/94

The letters patent expired on 07/26/1994: 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: 03/29/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

FRAMATOME SA

Inventors

L. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/29/1983

RPI 649

Notificação para pagamento de retribuição

#13.1

01/11/1983

RPI 638

Deferimento

#9.1

08/24/1982

RPI 618

Exigência - art. 36 da LPI

#6.1

03/02/1982

RPI 593

Carta-patente expirada

#21.1

07/26/1994

RPI 1234

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