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Official data from INPI

COMPÓSITO DE CHAPA PARA COURAÇA

Em AnáliseInvention Patent

Application data

Number

PI8700811

Type

Invention Patent

Filing

02/20/1987

Publication

12/15/1987

Progress at the INPI

  1. Filing02/20/87
  2. Publication12/15/87
  3. Examination03/28/89
  4. Allowance11/20/90
  5. Grant06/25/91
  6. Terminated10/17/95

The patent was granted on 06/25/1991 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

Akzo N.V.

NL

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Inventors

C. P. (pessoa física)

NL

L. V. (pessoa física)

NL

M. V. (pessoa física)

NL

Technical data

Priority claims

NL

8 600 449 · 02/22/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

03/28/1989

RPI 962

Publicação do pedido de patente

#3.1

12/15/1987

RPI 895

Pedido de patente depositado

#2.1

06/16/1987

RPI 869

Anuidade - prazo legal encerrado

#18.2

10/17/1995

RPI 1298

Concessão da patente

#16.1

06/25/1991

RPI 1073

Notificação para pagamento de retribuição

#13.1

03/05/1991

RPI 1057

Deferimento

#9.1

11/20/1990

RPI 1042

Exigência - art. 36 da LPI

#6.1

07/24/1990

RPI 1025

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