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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE FOSFETO DE ALUMÍNIO OU DE MAGNÉSIO

ConcedidaInvention Patent

Application data

Number

PI8202525

Type

Invention Patent

Filing

04/30/1982

Publication

04/19/1983

Progress at the INPI

  1. Filing04/30/82
  2. Publication04/19/83
  3. Examination10/25/83
  4. Allowance03/15/88
  5. Grant09/27/88
  6. Terminated11/29/94

The patent was granted on 09/27/1988 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: 09/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Degesch Gmbh

DE

Inventors

E. F. (pessoa física)

DE

F. H. (pessoa física)

CL

Technical data

IPC Classification

Priority claims

DE

P 31 17 393.4 · 05/02/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/27/1988

RPI 936

Notificação para pagamento de retribuição

#13.1

07/19/1988

RPI 926

Deferimento

#9.1

03/15/1988

RPI 908

Exigência - art. 36 da LPI

#6.1

08/25/1987

RPI 879

Exigência - art. 36 da LPI

#6.1

03/11/1986

RPI 803

Exigência - art. 36 da LPI

#6.1

12/04/1984

RPI 737

Solicitação de exame técnico

#4.1

10/25/1983

RPI 679

Publicação do pedido de patente

#3.1

04/19/1983

RPI 652

Pedido de patente depositado

#2.1

06/15/1982

RPI 608

Anuidade - prazo legal encerrado

#18.2

11/29/1994

RPI 1252

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