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Official data from INPI

PROCESSO PARA TRATAMENTO CONTÍNUO DE CHAPAS DE AÇO, E CHAPA ASSIM OBTIDA.07830

ConcedidaInvention Patent

Application data

Number

PI7906963

Type

Invention Patent

Filing

10/26/1979

Publication

-

Progress at the INPI

  1. Filing10/26/79
  2. Publication
  3. Examination03/23/82
  4. Allowance04/17/84
  5. Grant10/30/84
  6. Expired04/25/95

The letters patent expired on 04/25/1995: 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: 10/30/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Centre de Recherches Metallurgiques, Centrum Voor Research in de Metallurgie

Inventors

H. J. (pessoa física)

P. P. (pessoa física)

T. V. (pessoa física)

Technical data

IPC Classification

Priority claims

BE

6 46651 · 10/27/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/30/1984

RPI 732

Notificação para pagamento de retribuição

#13.1

08/07/1984

RPI 720

Deferimento

#9.1

04/17/1984

RPI 704

Exigência - art. 36 da LPI

#6.1

10/04/1983

RPI 676

Republicação - classificação IPC

#15.11

02/08/1983

RPI 642

Exigência - art. 36 da LPI

#6.1

10/19/1982

RPI 626

Solicitação de exame técnico

#4.1

03/23/1982

RPI 596

Carta-patente expirada

#21.1

04/25/1995

RPI 1273

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