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Official data from INPI

PROCESSOS E APARELHOS PARA A FUNDICAO POR RESFRIAMENTO BRUSCO DIRETA DE METAIS NAO-FERROSOS

Em AnáliseInvention Patent

Application data

Number

PI7901005

Type

Invention Patent

Filing

02/18/1978

Publication

-

Progress at the INPI

  1. Filing02/18/78
  2. Publication
  3. Examination
  4. Allowance11/01/83
  5. Grant04/24/84
  6. Terminated06/14/88

The patent was granted on 04/24/1984 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: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BRITISH ALUMINIUM CO LTD

Inventors

W. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/14/1988

RPI 921

16.4

07/24/1984

RPI 718

Concessão da patente

#16.1

04/24/1984

RPI 705

Notificação para pagamento de retribuição

#13.1

02/14/1984

RPI 695

Deferimento

#9.1

11/01/1983

RPI 680

Exigência - art. 36 da LPI

#6.1

04/05/1983

RPI 650

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