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Official data from INPI

PROCESSO PARA A FORMAÇÃO DE UMA CAMADA DE PROTEÇÃO.

PublicadaInvention Patent

Application data

Number

PI8704790

Type

Invention Patent

Filing

09/17/1987

Publication

05/17/1988

Progress at the INPI

  1. Filing09/17/87
  2. Publication05/17/88
  3. Examination10/02/90
  4. Allowance
  5. Grant
  6. In force

Published on 05/17/1988, 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Gerhard Collardin GMBH

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Inventors

H. P. (pessoa física)

DE

H. G. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 36 31 667.9 · 09/18/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

05/17/1988

RPI 917

Pedido de patente depositado

#2.1

11/24/1987

RPI 892

Retificação

#15.3

04/21/1992

RPI 1116

Solicitação de exame técnico

#4.1

10/02/1990

RPI 1035

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