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Official data from INPI

APARELHO PARA DESLOCAR PLACAS DE FILTRO E SISTEMA DE DESCARREGAR TORTA DE UM FILTRO-PRENSA

Em AnáliseInvention PatentPCT · US1987003134

Application data

Number

PI8707892

Type

Invention Patent

Filing

11/25/1987

Publication

03/01/1990

PCT

US1987003134

Progress at the INPI

  1. Filing11/25/87
  2. Publication03/01/90
  3. Examination10/23/90
  4. Allowance
  5. Grant
  6. In force

Published on 03/01/1990, 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: 10/03/1995. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. C. (pessoa física)

US

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Inventors

S. D. (pessoa física)

Technical data

IPC Classification

Priority claims

US

936.091 · 11/28/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

10/03/1995

RPI 1296

Solicitação de exame técnico

#4.1

10/23/1990

RPI 1038

Solicitação de exame não realizada

#4.2

07/31/1990

RPI 1026

Notificação de entrada na fase nacional - PCT

#1.3

03/01/1990

RPI 1007

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