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Official data from INPI

BLOQUEADOR DE CHAMADAS RECEBIDAS POR DISCAGEM DIRETA A COBRAR

IndeferidaInvention Patent
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Application data

Number

PI8305854

Type

Invention Patent

Filing

10/20/1983

Publication

05/28/1985
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Progress at the INPI

Under appeal
  1. Filing10/20/83
  2. Publication05/28/85
  3. Examination12/24/85
  4. Refused04/26/88
  5. Grant
  6. In force

The application was refused by the INPI on 04/26/1988. The invention was never patented.

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Latest action published by the INPI: 04/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SONINTEL SOCIEDADE NACIONAL DE [BR]

Inventors

N. R. (pessoa física)

P. M. (pessoa física)

Technical data

IPC Classification

H04M 1/66

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

04/26/1988

RPI 914

Retificação

#15.6

12/22/1987

RPI 896

Retificação

#15.3

09/08/1987

RPI 881

Conhecimento de parecer técnico

#7.1

11/25/1986

RPI 840

Solicitação de exame técnico

#4.1

12/24/1985

RPI 792

Solicitação de exame não realizada

#4.2

08/13/1985

RPI 773

Publicação do pedido de patente

#3.1

05/28/1985

RPI 762

Pedido de patente depositado

#2.1

01/03/1984

RPI 689

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