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Official data from INPI

PROCESSO E DISPOSITIVO DE ABAULAMENTO DE CHAPAS

Em AnáliseInvention Patent

Application data

Number

PI8502328

Type

Invention Patent

Filing

05/16/1985

Publication

01/21/1986

Progress at the INPI

  1. Filing05/16/85
  2. Publication01/21/86
  3. Examination12/15/87
  4. Allowance12/13/94
  5. Grant07/25/95
  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: 12/15/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Sollac

FR

Union Siderurgique Du Nord Et De L'Est De La France-"USINOR"

FR

See this company's full portfolio

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).

Solicitação de exame técnico

#4.1

12/15/1987

RPI 895

Publicação do pedido de patente

#3.1

01/21/1986

RPI 796

Pedido de patente depositado

#2.1

07/16/1985

RPI 769

Carta-patente expirada

#21.1

Patente extinta em 16/05/2000

07/15/2008

RPI 1958

20.4

01/16/1996

RPI 1311

20.7

01/16/1996

RPI 1311

Concessão da patente

#16.1

07/25/1995

RPI 1286

Notificação para pagamento de retribuição

#13.1

04/18/1995

RPI 1272

Deferimento

#9.1

12/13/1994

RPI 1254

4.1.1

02/09/1993

RPI 1158

Solicitação de exame técnico

#4.1

01/05/1993

RPI 1153

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