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Official data from INPI

ACIONAMENTO PARA UM GRUPO SECADOR

Arquivada/ExtintaInvention Patent

Application data

Number

PI8905931

Type

Invention Patent

Filing

11/10/1989

Publication

06/26/1990

Progress at the INPI

  1. Filing11/10/89
  2. Publication06/26/90
  3. Examination09/08/92
  4. Allowance03/01/95
  5. Grant11/28/95
  6. Expired12/29/09

The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

J. M. Voith GmbH

DE

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Inventors

G. K. (pessoa física)

DE

J. P. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

G 88 14 118.7 · 11/11/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 10/11/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

11/28/1995

RPI 1304

Notificação para pagamento de retribuição

#13.1

07/18/1995

RPI 1285

Deferimento

#9.1

03/01/1995

RPI 1265

Solicitação de exame técnico

#4.1

09/08/1992

RPI 1136

Publicação do pedido de patente

#3.1

06/26/1990

RPI 1024

Pedido de patente depositado

#2.1

03/20/1990

RPI 1010

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