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Official data from INPI

APERFEICOAMENTO EM TAMPA METALICA E PROCESSO DE FABRICAR A REFERIDA TAMPA

Em AnáliseInvention Patent

Application data

Number

PI7903247

Type

Invention Patent

Filing

05/26/1978

Publication

-

Progress at the INPI

  1. Filing05/26/78
  2. Publication
  3. Examination12/01/81
  4. Allowance03/22/83
  5. Grant10/25/83
  6. Terminated10/03/89

The patent was granted on 10/25/1983 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: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TOYO SEIKAN KAISHA LTD

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Inventors

I. K. (pessoa física)

M. F. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

10/03/1989

RPI 989

Concessão da patente

#16.1

10/25/1983

RPI 679

Notificação para pagamento de retribuição

#13.1

08/02/1983

RPI 667

Deferimento

#9.1

03/22/1983

RPI 648

Exigência - art. 36 da LPI

#6.1

08/10/1982

RPI 616

Solicitação de exame técnico

#4.1

12/01/1981

RPI 580

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