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Official data from INPI

BLOQUEADOR DE CHAMADAS TELEFONICAS A COBRAR

IndeferidaInvention Patent
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Application data

Number

PI8502862

Type

Invention Patent

Filing

06/11/1985

Publication

01/21/1987
View on INPI

Progress at the INPI

  1. Filing06/11/85
  2. Publication01/21/87
  3. Examination11/10/87
  4. Allowance
  5. Grant
  6. In force

Published on 01/21/1987, 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: 11/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

I. A. (pessoa física)

Inventors

A. [. (pessoa física)

Technical data

IPC Classification

H04M 1/66

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

11/07/1989

RPI 994

Retificação

#15.6

05/23/1989

RPI 970

Retificação

#15.3

01/17/1989

RPI 952

Solicitação de exame técnico

#4.1

11/10/1987

RPI 890

Publicação do pedido de patente

#3.1

01/21/1987

RPI 848

Pedido de patente depositado

#2.1

08/20/1985

RPI 774

14.2

07/24/1990

RPI 1025

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