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Official data from INPI

DISPOSITIVO DE ESGOTAMENTO DE LÍQUIDO RESIDUAL EM TANQUES DE NAVIOS.

ConcedidaInvention Patent

Application data

Number

PI8306314

Type

Invention Patent

Filing

11/10/1983

Publication

02/07/1984

Progress at the INPI

  1. Filing11/10/83
  2. Publication02/07/84
  3. Examination04/03/84
  4. Allowance09/30/86
  5. Grant07/28/87
  6. Terminated02/18/92

The patent was granted on 07/28/1987 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: 07/28/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. F. (pessoa física)

Inventors

F. [. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 32 42 117.6 · 11/13/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/28/1987

RPI 875

Notificação para pagamento de retribuição

#13.1

03/04/1987

RPI 854

Deferimento

#9.1

09/30/1986

RPI 832

Exigência - art. 36 da LPI

#6.1

02/25/1986

RPI 801

Solicitação de exame técnico

#4.1

04/03/1984

RPI 702

Publicação antecipada

#3.2

02/07/1984

RPI 694

Pedido de patente depositado

#2.1

01/31/1984

RPI 693

Anuidade - prazo legal encerrado

#18.2

02/18/1992

RPI 1107

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