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Official data from INPI

PROCESSO PARA REGULAR UM DESFIBRADOR DE MADEIRA

PublicadaInvention Patent

Application data

Number

PI8806100

Type

Invention Patent

Filing

11/17/1988

Publication

08/08/1989

Progress at the INPI

  1. Filing11/17/88
  2. Publication08/08/89
  3. Examination09/24/91
  4. Allowance01/05/93
  5. Grant07/27/93
  6. Expired09/02/08

The letters patent expired on 09/02/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 08/08/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

J M Voith Gmbh

DE

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Inventors

F. S. (pessoa física)

H. H. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P3741804.1 · 12/10/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

08/08/1989

RPI 981

Pedido de patente depositado

#2.1

04/04/1989

RPI 963

Carta-patente expirada

#21.1

Patente extinta em 17/11/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

07/27/1993

RPI 1182

Notificação para pagamento de retribuição

#13.1

04/27/1993

RPI 1169

Deferimento

#9.1

01/05/1993

RPI 1153

Solicitação de exame técnico

#4.1

09/24/1991

RPI 1086

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