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Official data from INPI

PROCESSO DE FUNDIÇÃO DE UMA LIGA DE ALUMÍNIO

ConcedidaInvention Patent

Application data

Number

PI8305724

Type

Invention Patent

Filing

10/17/1983

Publication

05/22/1984

Progress at the INPI

  1. Filing10/17/83
  2. Publication05/22/84
  3. Examination01/14/86
  4. Allowance12/13/88
  5. Grant08/29/89
  6. Terminated05/09/95

The patent was granted on 08/29/1989 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Alcan International Limited

CA

See this company's full portfolio

Inventors

P. E. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8229602 · 10/15/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

04/25/1989

RPI 966

Deferimento

#9.1

12/13/1988

RPI 947

Exigência - art. 36 da LPI

#6.1

07/05/1988

RPI 924

6.2

03/04/1987

RPI 854

Solicitação de exame técnico

#4.1

01/14/1986

RPI 795

Publicação do pedido de patente

#3.1

05/22/1984

RPI 709

Pedido de patente depositado

#2.1

12/27/1983

RPI 688

Anuidade - prazo legal encerrado

#18.2

05/09/1995

RPI 1275

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