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Official data from INPI

PROCESSO E EQUIPAMENTO PARA A SECAGEM DE UMA TELA DE CELULOSE

Arquivada/ExtintaInvention PatentPCT · CA1990000229

Application data

Number

PI9007535

Type

Invention Patent

Filing

07/19/1990

Publication

04/28/1992

PCT

CA1990000229

Progress at the INPI

  1. Filing07/19/90
  2. Publication04/28/92
  3. Examination07/20/93
  4. Allowance07/27/99
  5. Grant12/28/99
  6. Expired01/22/13

The letters patent expired on 01/22/2013: 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: 01/22/2013. 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

Technical data

IPC Classification

Priority claims

US

382,725 · 07/20/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 19/07/2010

01/22/2013

RPI 2194

Transferência deferida

#25.1

Transferido de: Pulp and Paper Research Institute of Canada

10/30/2007

RPI 1921

Concessão da patente

#16.1

12/28/1999

RPI 1512

Deferimento

#9.1

07/27/1999

RPI 1490

Exigência - art. 36 da LPI

#6.1

01/12/1999

RPI 1462

Solicitação de exame técnico

#4.1

07/20/1993

RPI 1181

Notificação de entrada na fase nacional - PCT

#1.3

04/28/1992

RPI 1117

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