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Official data from INPI

PROCESSO PARA CORTAR CAMADAS MÚLTIPLAS DE MATERIAL TERMOPLÁTICO E APARELHAGEM PARA CORTAR CAMADAS MÚLTIPLAS DE UM MATERIAL TERMOPLÁSTICO

PublicadaInvention Patent

Application data

Number

PI8901729

Type

Invention Patent

Filing

04/07/1989

Publication

11/21/1989

Progress at the INPI

  1. Filing04/07/89
  2. Publication11/21/89
  3. Examination10/22/91
  4. Allowance
  5. Grant
  6. In force

Published on 11/21/1989, 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: 11/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Dowbrands Inc.

US

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Inventors

R. B. (pessoa física)

US

T. W. (pessoa física)

US

Technical data

Priority claims

US

179.791 · 04/11/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

11/21/1989

RPI 996

Pedido de patente depositado

#2.1

05/23/1989

RPI 970

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era B31B 1/64.

03/27/2018

RPI 2464

Retificação

#15.3

04/20/1993

RPI 1168

Solicitação de exame técnico

#4.1

10/22/1991

RPI 1090

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