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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8107584

Type

Invention Patent

Filing

11/20/1981

Publication

08/17/1982

Progress at the INPI

  1. Filing11/20/81
  2. Publication08/17/82
  3. Examination08/07/84
  4. Allowance05/12/87
  5. Grant10/27/87
  6. Terminated09/20/94

The patent was granted on 10/27/1987 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/27/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Institut de Recherches de La Sidérurgie Française - IRSID

FR

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Inventors

L. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/27/1987

RPI 888

Notificação para pagamento de retribuição

#13.1

09/22/1987

RPI 883

Deferimento

#9.1

05/12/1987

RPI 864

Exigência - art. 36 da LPI

#6.1

04/22/1986

RPI 809

Republicação - classificação IPC

#15.11

05/14/1985

RPI 760

Exigência - art. 36 da LPI

#6.1

03/12/1985

RPI 751

Solicitação de exame técnico

#4.1

08/07/1984

RPI 720

Publicação do pedido de patente

#3.1

08/17/1982

RPI 617

Pedido de patente depositado

#2.1

01/05/1982

RPI 585

Anuidade - prazo legal encerrado

#18.2

09/20/1994

RPI 1242

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