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Official data from INPI

PROCESSO PARA A PREPARACAO DE REVESTIMENTO REDUTOR DE ADERENCIA SOBRE SUPERFICIES,E COMPOSICAO REDUTORA DE ADERENCIA

Em AnáliseInvention Patent

Application data

Number

PI7907403

Type

Invention Patent

Filing

11/17/1978

Publication

-

Progress at the INPI

Technical opinion to answer
  1. Filing11/17/78
  2. Publication
  3. Examination08/03/82
  4. Allowance
  5. Grant
  6. In force

The INPI issued a technical opinion on patentability. The applicant must respond for examination to continue.

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Latest action published by the INPI: 10/06/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BAYER AG

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Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

10/06/1987

RPI 885

Conhecimento de parecer técnico

#7.1

09/27/1983

RPI 675

Solicitação de exame técnico

#4.1

08/03/1982

RPI 615

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