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Official data from INPI

TAMPÃO DE FURO E PROCESSO DE COLOCAR UM TAMPÃO EM UM FURO

Em ExigênciaInvention Patent

Application data

Number

PI8506823

Type

Invention Patent

Filing

07/12/1985

Publication

11/25/1986

Progress at the INPI

  1. Filing07/12/85
  2. Publication11/25/86
  3. Examination10/06/87
  4. Allowance04/02/91
  5. Grant10/29/91
  6. Expired07/15/08

The letters patent expired on 07/15/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/19/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Du Pont (Australia) Ltd.

Du Pont Ltd.

AU

Mount Isa Mines Limited

AU

Specialised Polyurethane Applications Pty. Ltd.

AU

Inventors

G. M. (pessoa física)

AU

M. C. (pessoa física)

AU

S. H. (pessoa física)

AU

Technical data

IPC Classification

Priority claims

AU

PG 5968 · 07/12/1984

AU

PG 6685 · 08/21/1984

AU

PG 7364 · 09/27/1984

AU

PG 7551 · 10/09/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

09/19/1989

RPI 987

Solicitação de exame técnico

#4.1

10/06/1987

RPI 885

Notificação de entrada na fase nacional - PCT

#1.3

11/25/1986

RPI 840

Carta-patente expirada

#21.1

Patente extinta em 12/07/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

10/29/1991

RPI 1091

Notificação para pagamento de retribuição

#13.1

07/16/1991

RPI 1076

Deferimento

#9.1

04/02/1991

RPI 1061

Exigência - art. 36 da LPI

#6.1

10/16/1990

RPI 1037

6.5

03/13/1990

RPI 1009

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