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Official data from INPI

PROCESSO E DISPOSITIVO PARA ABRIR PRODUTOS DOBRADOS, ENCADERNADOS OU LIGADOS, EM VÁRIAS FOLHAS, ESPECIALMENTE PRODUTOS IMPRESSO, BEM COMO CONJUNTO PARA O PROCESSAMENTO DESSES PRODUTOS.

ConcedidaInvention Patent

Application data

Number

PI8100192

Type

Invention Patent

Filing

01/14/1981

Publication

-

Progress at the INPI

  1. Filing01/14/81
  2. Publication
  3. Examination09/20/83
  4. Allowance08/07/84
  5. Grant03/26/85
  6. Expired03/19/96

The letters patent expired on 03/19/1996: 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: 03/26/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ferag AG.

CH

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Inventors

R. W. (pessoa física)

Technical data

IPC Classification

Priority claims

CH

304/80 · 01/15/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/26/1985

RPI 753

Notificação para pagamento de retribuição

#13.1

12/11/1984

RPI 738

Deferimento

#9.1

08/07/1984

RPI 720

Solicitação de exame técnico

#4.1

09/20/1983

RPI 674

Carta-patente expirada

#21.1

03/19/1996

RPI 1320

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