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Official data from INPI

APERFEIÇOAMENTO EM TANQUE COM DISPOSITIVO PARA DESCARGA SELADA

ConcedidaInvention Patent

Application data

Number

PI8402864

Type

Invention Patent

Filing

06/08/1984

Publication

11/27/1984

Progress at the INPI

  1. Filing06/08/84
  2. Publication11/27/84
  3. Examination03/05/85
  4. Allowance05/10/88
  5. Grant03/28/89
  6. Terminated10/16/90

The patent was granted on 03/28/1989 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: 03/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Vlados Importadora, Comercio, Montagem e Industrial Ltda.

SP, BR

Inventors

A. F. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/28/1989

RPI 962

Notificação para pagamento de retribuição

#13.1

09/06/1988

RPI 933

Deferimento

#9.1

05/10/1988

RPI 916

Solicitação de exame técnico

#4.1

03/05/1985

RPI 750

Publicação antecipada

#3.2

11/27/1984

RPI 736

Pedido de patente depositado

#2.1

08/14/1984

RPI 721

Anuidade - prazo legal encerrado

#18.2

10/16/1990

RPI 1037

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