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Official data from INPI

PROCESSO E DISPOSITIVO CANCELADOR DE ECO DE FAIXA DE PASSAGEM.

ArquivadaInvention Patent

Application data

Number

PI8206557

Type

Invention Patent

Filing

11/11/1982

Publication

09/27/1983

Progress at the INPI

  1. Filing11/11/82
  2. Publication09/27/83
  3. Examination01/24/84
  4. Allowance02/12/85
  5. Abandoned
  6. In force

The application was allowed on 02/12/1985 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 03/04/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Cselt Centro Studi e Laboratori Telecomunicazioni S.p.a.

IT

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Inventors

D. P. (pessoa física)

L. Z. (pessoa física)

Technical data

IPC Classification

Priority claims

IT

68521-A/81 · 11/24/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

03/04/1986

RPI 802

Notificação para pagamento de retribuição

#13.1

05/28/1985

RPI 762

Deferimento

#9.1

02/12/1985

RPI 747

14.1

08/07/1984

RPI 720

Solicitação de exame técnico

#4.1

01/24/1984

RPI 692

Publicação do pedido de patente

#3.1

09/27/1983

RPI 675

Pedido de patente depositado

#2.1

01/04/1983

RPI 637

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