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Official data from INPI

PROCESSO PARA A REMOÇÃO DE LAMA DE BANHOS DE FOSFATIZAÇÃO E DISPOSITIVO PARA A EXECUÇÃO DO MESMO

PublicadaInvention Patent

Application data

Number

PI8806633

Type

Invention Patent

Filing

12/15/1988

Publication

08/29/1989

Progress at the INPI

  1. Filing12/15/88
  2. Publication08/29/89
  3. Examination06/25/91
  4. Allowance
  5. Grant
  6. In force

Published on 08/29/1989, 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Gerhard Collardin GmbH

DE

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Inventors

D. W. (pessoa física)

DE

H. H. (pessoa física)

K. G. (pessoa física)

DE

K. H. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P3742634.6 · 12/16/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

08/29/1989

RPI 984

Pedido de patente depositado

#2.1

04/18/1989

RPI 965

Retificação

#15.3

07/26/1994

RPI 1234

Solicitação de exame técnico

#4.1

06/25/1991

RPI 1073

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