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Official data from INPI

SUBSTRATO FERROSO REVESTIDO, ARTIGO DE BORRACHA REFORÇADO, E PROCESSO PARA REVESTIR UM SUBSTRATO FERROSO COM UM REVESTIMENTO COMPACTO DE LIGA

Em AnáliseInvention Patent

Application data

Number

PI8505270

Type

Invention Patent

Filing

10/22/1985

Publication

07/29/1986

Progress at the INPI

  1. Filing10/22/85
  2. Publication07/29/86
  3. Examination04/26/88
  4. Allowance05/24/94
  5. Grant12/27/94
  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: 04/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

N.V. Bekaert S.A.

BE

See this company's full portfolio

Inventors

P. D. (pessoa física)

BE

Technical data

Priority claims

GB

84.26746 · 10/23/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

04/26/1988

RPI 914

Publicação do pedido de patente

#3.1

07/29/1986

RPI 823

Pedido de patente depositado

#2.1

01/07/1986

RPI 794

Carta-patente expirada

#21.1

Patente extinta em 22/10/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

12/27/1994

RPI 1256

Notificação para pagamento de retribuição

#13.1

09/27/1994

RPI 1243

Deferimento

#9.1

05/24/1994

RPI 1225

Exigência - art. 36 da LPI

#6.1

04/13/1993

RPI 1167

Exigência - art. 36 da LPI

#6.1

06/18/1991

RPI 1072

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