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Official data from INPI

DISPOSITIVO DE TRANSFERÊNCIA DE TELA, E, PROCESSO APERFEIÇOADO PARA FORMAÇÃO DE TELA

Arquivada/ExtintaInvention Patent

Application data

Number

PI8904879

Type

Invention Patent

Filing

09/26/1989

Publication

05/08/1990

Progress at the INPI

  1. Filing09/26/89
  2. Publication05/08/90
  3. Examination05/12/92
  4. Allowance03/11/97
  5. Grant10/28/97
  6. Expired12/26/12

The letters patent expired on 12/26/2012: 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: 12/26/2012. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

FPInnovations

CA

Pulp and Paper Research Institute of Canada

CA

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Inventors

I. P. (pessoa física)

CA

I. P. (pessoa física)

CA

J. M. (pessoa física)

CA

R. D. (pessoa física)

CA

Technical data

IPC Classification

Priority claims

US

250,840 · 09/29/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 26/09/2009

12/26/2012

RPI 2190

Transferência deferida

#25.1

Transferido de: Pulp and Paper Research Institute of Canada

10/30/2007

RPI 1921

Concessão da patente

#16.1

10/28/1997

RPI 1404

Notificação para pagamento de retribuição

#13.1

10/14/1997

RPI 1402

Deferimento

#9.1

03/11/1997

RPI 1371

Exigência - art. 36 da LPI

#6.1

04/09/1996

RPI 1323

Exigência - art. 36 da LPI

#6.1

08/30/1994

RPI 1239

Solicitação de exame técnico

#4.1

05/12/1992

RPI 1119

Publicação do pedido de patente

#3.1

05/08/1990

RPI 1017

Pedido de patente depositado

#2.1

03/01/1990

RPI 1007

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