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Official data from INPI

APERFEIÇOAMENTO EM CENTRAL DE INTERFONES.

IndeferidaInvention Patent

Application data

Number

PI8404337

Type

Invention Patent

Filing

08/27/1984

Publication

04/08/1986

Progress at the INPI

Under appeal
  1. Filing08/27/84
  2. Publication04/08/86
  3. Examination08/05/86
  4. Refused05/24/88
  5. Grant
  6. In force

The application was refused by the INPI on 05/24/1988. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 08/02/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. M. (pessoa física)

SP, BR

Inventors

M. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Republicação - classificação IPC

#15.11

08/02/1988

RPI 928

Indeferimento

#9.2

05/24/1988

RPI 918

Retificação

#15.6

11/24/1987

RPI 892

Retificação

#15.3

09/29/1987

RPI 884

Solicitação de exame técnico

#4.1

08/05/1986

RPI 824

Publicação do pedido de patente

#3.1

04/08/1986

RPI 807

Pedido de patente depositado

#2.1

10/15/1985

RPI 782

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