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Official data from INPI

PROCESSO E APARELHO PARA TRATAMENTO DE METAIS LÍQUIDOS

Em AnáliseInvention PatentPCT · GB1988000417
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Application data

Number

PI8807520

Type

Invention Patent

Filing

05/26/1988

Publication

04/17/1990

PCT

GB1988000417
View on INPI

Progress at the INPI

Technical opinion to answer
  1. Filing05/26/88
  2. Publication04/17/90
  3. Examination02/26/91
  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: 11/28/1995. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. F. (pessoa física)

CA

Inventors

D. S. (pessoa física)

CA

L. K. (pessoa física)

CA

Technical data

IPC Classification

C21C 5/52C22B 4/00

Priority claims

US

054.341 · 05/26/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

11/28/1995

RPI 1304

Conhecimento de parecer técnico

#7.1

03/01/1995

RPI 1265

Solicitação de exame técnico

#4.1

02/26/1991

RPI 1056

Notificação de entrada na fase nacional - PCT

#1.3

04/17/1990

RPI 1014

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