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Official data from INPI

PROCESSO PARA OBTENCAO DE UM PRODUTO SINTETICO PARA APLICACAO EM LENTES E OUTROS COM COBERTURA A PROVA DE RISCO

Em AnáliseInvention Patent
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Application data

Number

PI7805443

Type

Invention Patent

Filing

08/23/1978

Publication

-
View on INPI

Progress at the INPI

Technical opinion to answer
  1. Filing08/23/78
  2. Publication
  3. Examination
  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

FERRI METALURG LTD

Inventors

F. S. (pessoa física)

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

12/04/1984

RPI 737

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