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Official data from INPI

RECOBRIMENTO DE DUAS CAMADAS PARA A ZONA DE FORMAÇÃO DE FOLHAS DE UMA MÁQUINA DE PAPEL

PublicadaInvention Patent
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Application data

Number

PI8806758

Type

Invention Patent

Filing

12/16/1988

Publication

10/17/1989
View on INPI

Progress at the INPI

  1. Filing12/16/88
  2. Publication10/17/89
  3. Examination08/28/90
  4. Allowance
  5. Grant
  6. In force

Published on 10/17/1989, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 10/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Itelpa Industria e Comercio Ltda

SP, BR

Itelpa S/A Indústria e Comércio

SP, BR

Inventors

G. B. (pessoa física)

DE

Technical data

IPC Classification

D03D 11/00D21F 1/10

Priority claims

DE

P 38 01 051.8 · 01/15/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/17/1989

RPI 991

14.1

08/15/1989

RPI 982

Pedido de patente depositado

#2.1

05/16/1989

RPI 969

Retificação

#15.3

09/23/1997

RPI 1399

14.1

08/29/1995

RPI 1291

Pedido de certificado de adição de invenção

#5.1

01/02/1991

RPI 1048

Solicitação de exame técnico

#4.1

08/28/1990

RPI 1030

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