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Official data from INPI

FLUIDO COM A FINALIDADE DUPLA DE USO COMO FLUIDO HIDRAULICO E PARA OPERACOES DE CORTE DE METAL;FLUIDO HIDRAULICO;E FLUIDO DE CORTE

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Application data

Number

PI7901519

Type

Invention Patent

Filing

03/13/1978

Publication

-
View on INPI

Progress at the INPI

Technical opinion to answer
  1. Filing03/13/78
  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: 04/22/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HOUGHTON & CO E F

Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

04/22/1987

RPI 861

Conhecimento de parecer técnico

#7.1

01/10/1984

RPI 690

6.2

05/04/1982

RPI 602

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