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Official data from INPI

DISPOSITIVO PARA EMPILHAR E PARA EFETUAR O DESMONTE DE PRODUTOS IMPRESSOS, TAIS COMO JORNAIS, REVISTAS E SIMILARES, QUE CHEGAM SOB A FORMA DE UMA CORRENTE DE ESCAMAS.

ConcedidaInvention Patent

Application data

Number

PI8104508

Type

Invention Patent

Filing

07/14/1981

Publication

03/30/1982

Progress at the INPI

  1. Filing07/14/81
  2. Publication03/30/82
  3. Examination03/27/84
  4. Allowance05/07/85
  5. Grant11/26/85
  6. Expired10/08/96

The letters patent expired on 10/08/1996: 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: 11/26/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ferag AG.

CH

See this company's full portfolio

Inventors

H. W. (pessoa física)

Technical data

IPC Classification

Priority claims

CH

5 400/80 · 07/15/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/26/1985

RPI 788

Notificação para pagamento de retribuição

#13.1

08/27/1985

RPI 775

Deferimento

#9.1

05/07/1985

RPI 759

Exigência - art. 36 da LPI

#6.1

09/25/1984

RPI 727

Solicitação de exame técnico

#4.1

03/27/1984

RPI 701

Publicação do pedido de patente

#3.1

03/30/1982

RPI 597

Carta-patente expirada

#21.1

10/08/1996

RPI 1349

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