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Official data from INPI

CARGA PARA PAPEL OU PAPELÃO, PROCESSO PARA PREPARAÇÃO DA MESMA E PROCESSO PARA MANUFATURA DE PAPEL E PAPELÃO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9101439

Type

Invention Patent

Filing

04/10/1991

Publication

11/26/1991

Progress at the INPI

  1. Filing04/10/91
  2. Publication11/26/91
  3. Examination03/01/94
  4. Allowance01/18/00
  5. Grant07/11/00
  6. Expired06/04/13

The letters patent expired on 06/04/2013: 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: 06/04/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. I. (pessoa física)

US

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Inventors

D. D. (pessoa física)

HK

Technical data

IPC Classification

Priority claims

US

508.156 · 04/11/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 10/04/2011

06/04/2013

RPI 2213

Concessão da patente

#16.1

07/11/2000

RPI 1540

Deferimento

#9.1

01/18/2000

RPI 1515

Exigência - art. 36 da LPI

#6.1

06/15/1999

RPI 1484

Solicitação de exame técnico

#4.1

03/01/1994

RPI 1213

Publicação do pedido de patente

#3.1

11/26/1991

RPI 1095

Pedido de patente depositado

#2.1

10/08/1991

RPI 1088

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