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Official data from INPI

DISPOSITIVO DE PORTA CORREDICA PARA UM VASO DE DERRAME PARA CONTROLE DE FLUXO DE METAL FUNDIDO

Em AnáliseInvention Patent

Application data

Number

PI7901717

Type

Invention Patent

Filing

03/21/1978

Publication

-

Progress at the INPI

  1. Filing03/21/78
  2. Publication
  3. Examination12/08/81
  4. Allowance09/27/83
  5. Grant03/27/84
  6. Terminated10/03/89

The patent was granted on 03/27/1984 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: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

VESUVIUS INT CORP

Inventors

S. S. (pessoa física)

Technical data

IPC Classification

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

03/27/1984

RPI 701

Notificação para pagamento de retribuição

#13.1

01/17/1984

RPI 691

Deferimento

#9.1

09/27/1983

RPI 675

Republicação - classificação IPC

#15.11

07/26/1983

RPI 666

Exigência - art. 36 da LPI

#6.1

03/01/1983

RPI 645

Solicitação de exame técnico

#4.1

12/08/1981

RPI 581

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