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Official data from INPI

PROCESSO DE FABRICAÇÃO DE PERFIL ESTRUTURAL DE PESO LEVE

Em AnáliseInvention Patent

Application data

Number

PI8506723

Type

Invention Patent

Filing

05/08/1985

Publication

09/23/1986

Progress at the INPI

  1. Filing05/08/85
  2. Publication09/23/86
  3. Examination03/01/88
  4. Allowance12/22/92
  5. Grant06/29/93
  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: 03/01/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. H. (pessoa física)

GB

Inventors

M. H. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8411864 · 05/09/1984

GB

8416026 · 06/22/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

03/01/1988

RPI 906

Notificação de entrada na fase nacional - PCT

#1.3

09/23/1986

RPI 831

Carta-patente expirada

#21.1

Patente extinta em 08/05/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

06/29/1993

RPI 1178

Notificação para pagamento de retribuição

#13.1

04/27/1993

RPI 1169

Deferimento

#9.1

12/22/1992

RPI 1151

Exigência - art. 36 da LPI

#6.1

10/29/1991

RPI 1091

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