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Official data from INPI

PROCESSO PARA SOLDAGEM DE FOLHAS DE MATÉRIA PLÁSTICA, SACOS SACOLAS OU INVÓLUCROS DE MATÉRIA PLÁSTICA E DISPOSITIVO PARA A EXECUÇÃO DO PROCESSO

PublicadaInvention Patent

Application data

Number

PI8901315

Type

Invention Patent

Filing

03/21/1989

Publication

11/07/1989

Progress at the INPI

  1. Filing03/21/89
  2. Publication11/07/89
  3. Examination07/30/91
  4. Allowance
  5. Grant
  6. In force

Published on 11/07/1989, 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: 11/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Alkor Gmbh Kunststoffe

DE

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Inventors

E. F. (pessoa física)

H. H. (pessoa física)

M. M. (pessoa física)

Technical data

Priority claims

DE

P38 09 698.6 · 03/23/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

11/07/1989

RPI 994

Pedido de patente depositado

#2.1

05/09/1989

RPI 968

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: B31B 1/64; B32B 31/04; B32B 31/20; B32B 27/32; B29C 65/02; B65D 30/08.

03/27/2018

RPI 2464

Retificação

#15.3

06/28/1994

RPI 1230

Solicitação de exame técnico

#4.1

07/30/1991

RPI 1078

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