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Official data from INPI

DISPOSITIVO PARA O RESFRIAMENTO DE LAMINADOS A QUENTE, LISOS

Em ExigênciaInvention Patent

Application data

Number

PI8503298

Type

Invention Patent

Filing

07/04/1985

Publication

04/01/1986

Progress at the INPI

  1. Filing07/04/85
  2. Publication04/01/86
  3. Examination08/05/86
  4. Allowance06/04/91
  5. Grant12/31/91
  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: 05/30/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Centro Sviluppo Materiali S.p.A., empresa italiana

IT

Inventors

B. S. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

48502-A/84 · 07/04/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

6.2

05/30/1989

RPI 971

14.4

04/19/1988

RPI 913

Solicitação de exame técnico

#4.1

08/05/1986

RPI 824

Publicação do pedido de patente

#3.1

04/01/1986

RPI 806

Pedido de patente depositado

#2.1

09/10/1985

RPI 777

Carta-patente expirada

#21.1

Patente extinta em 04/07/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

12/31/1991

RPI 1100

Notificação para pagamento de retribuição

#13.1

10/01/1991

RPI 1087

Deferimento

#9.1

06/04/1991

RPI 1070

Exigência - art. 36 da LPI

#6.1

11/27/1990

RPI 1043

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