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Official data from INPI

ROLO DE CONTROLE NA PASSAGEM DO PERFIL DE UMA LÂMINA

Em AnáliseInvention Patent

Application data

Number

PI8706227

Type

Invention Patent

Filing

11/18/1987

Publication

06/21/1988

Progress at the INPI

  1. Filing11/18/87
  2. Publication06/21/88
  3. Examination09/27/88
  4. Allowance01/18/94
  5. Grant08/30/94
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 09/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Clecim

FR

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Inventors

M. M. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

86 16178 · 11/20/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

09/27/1988

RPI 936

Publicação do pedido de patente

#3.1

06/21/1988

RPI 922

Pedido de patente depositado

#2.1

02/23/1988

RPI 905

Carta-patente expirada

#21.1

Patente extinta em 18/11/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

08/30/1994

RPI 1239

Notificação para pagamento de retribuição

#13.1

05/10/1994

RPI 1223

Deferimento

#9.1

01/18/1994

RPI 1207

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