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Official data from INPI

BUJAO DE FECHAMENTO

Em AnáliseInvention Patent

Application data

Number

PI7701124

Type

Invention Patent

Filing

03/01/1976

Publication

-

Progress at the INPI

  1. Filing03/01/76
  2. Publication
  3. Examination
  4. Allowance09/21/82
  5. Grant04/26/83
  6. Terminated12/08/87

The patent was granted on 04/26/1983 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 12/08/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

I. W. (pessoa física)

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Inventors

B. W. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

12/08/1987

RPI 894

Concessão da patente

#16.1

04/26/1983

RPI 653

Notificação para pagamento de retribuição

#13.1

01/25/1983

RPI 640

Deferimento

#9.1

09/21/1982

RPI 622

11.8

04/13/1982

RPI 599

Arquivamento - Art. 36 §1° da LPI

#11.2

01/26/1982

RPI 588

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