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Official data from INPI

PROCESSO E DISPOSITIVO DE ABAULAMENTO DE CHAPAS

Prazo de SigiloInvention Patent

Application data

Number

PI8507339

Type

Invention Patent

Filing

05/16/1985

Publication

-

Progress at the INPI

  1. Filing05/16/85
  2. Publication
  3. Examination06/19/90
  4. Allowance01/02/96
  5. Grant09/24/96
  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

Union Siderurgique du Nord et de L'est de la France (USINOR)

FR

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Inventors

G. S. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

84-07678 · 05/17/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

03/01/1988

RPI 906

Carta-patente expirada

#21.1

Patente extinta em 16/05/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

09/24/1996

RPI 1347

Deferimento

#9.1

01/02/1996

RPI 1309

Exigência - art. 36 da LPI

#6.1

12/06/1994

RPI 1253

15.12

11/17/1992

RPI 1146

Solicitação de exame técnico

#4.1

06/19/1990

RPI 1023

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