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Official data from INPI

BANHO SALINO INERTE PARA O AQUECIMENTO DE AÇOS.

ConcedidaInvention Patent

Application data

Number

PI8304569

Type

Invention Patent

Filing

08/24/1983

Publication

04/03/1984

Progress at the INPI

  1. Filing08/24/83
  2. Publication04/03/84
  3. Examination10/16/84
  4. Allowance02/09/88
  5. Grant07/26/88
  6. Terminated04/09/96

The patent was granted on 07/26/1988 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: 07/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. A. (pessoa física)

DE

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Inventors

E. B. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Priority claims

DE

P 32 31 540.6 · 08/25/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/26/1988

RPI 927

Republicação - classificação IPC

#15.11

05/10/1988

RPI 916

Deferimento

#9.1

02/09/1988

RPI 903

Conhecimento de parecer técnico

#7.1

09/09/1986

RPI 829

Solicitação de exame técnico

#4.1

10/16/1984

RPI 730

Publicação do pedido de patente

#3.1

04/03/1984

RPI 702

Pedido de patente depositado

#2.1

11/01/1983

RPI 680

Anuidade - prazo legal encerrado

#18.2

04/09/1996

RPI 1323

Republicação - classificação IPC

#15.11

10/01/1991

RPI 1087

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