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Official data from INPI

APARELHO E PROCESSO PARA PRODUÇÃO DE METAL REFRATÁRIO A PARTIR DE UM CLORETO DESSE METAL

ConcedidaInvention Patent

Application data

Number

PI8301708

Type

Invention Patent

Filing

04/04/1983

Publication

12/13/1983

Progress at the INPI

  1. Filing04/04/83
  2. Publication12/13/83
  3. Examination02/04/86
  4. Allowance04/25/89
  5. Grant11/28/89
  6. Terminated12/17/96

The patent was granted on 11/28/1989 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: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. I. (pessoa física)

JP

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Inventors

H. I. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

56041/82 · 04/06/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/28/1989

RPI 997

Notificação para pagamento de retribuição

#13.1

08/22/1989

RPI 983

Deferimento

#9.1

04/25/1989

RPI 966

Exigência - art. 36 da LPI

#6.1

10/04/1988

RPI 937

6.2

02/24/1987

RPI 853

Solicitação de exame técnico

#4.1

02/04/1986

RPI 798

Publicação do pedido de patente

#3.1

12/13/1983

RPI 686

Pedido de patente depositado

#2.1

05/17/1983

RPI 656

Anuidade - prazo legal encerrado

#18.2

12/17/1996

RPI 1359

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