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Official data from INPI

FONTE DE ALIMENTAÇÃO CONVERSORA

Em AnáliseInvention PatentPCT · US1988003294

Application data

Number

PI8807711

Type

Invention Patent

Filing

09/22/1988

Publication

07/24/1990

PCT

US1988003294

Progress at the INPI

  1. Filing09/22/88
  2. Publication07/24/90
  3. Examination04/23/91
  4. Allowance
  5. Grant
  6. In force

Published on 07/24/1990, 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: 07/05/1994. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Astec International Ltd

US

Inventors

R. W. (pessoa física)

Technical data

IPC Classification

Priority claims

US

099,532 · 09/22/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

07/05/1994

RPI 1231

Solicitação de exame técnico

#4.1

04/23/1991

RPI 1064

Notificação de entrada na fase nacional - PCT

#1.3

07/24/1990

RPI 1025

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