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Official data from INPI

CIRCUITO TELEFÔNICO PARA GERAÇÃO DE CADÊNCIA DE CAMPAINHA E DETECÇÃO DE FORA-DO-GANCHO.

ArquivadaInvention Patent

Application data

Number

PI8100796

Type

Invention Patent

Filing

02/09/1981

Publication

-

Progress at the INPI

  1. Filing02/09/81
  2. Publication
  3. Examination01/26/82
  4. Allowance10/23/84
  5. Abandoned
  6. In force

The application was allowed on 10/23/1984 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

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

03/04/1986

RPI 802

Arquivamento - Art. 36 §1° da LPI

#11.2

06/25/1985

RPI 766

Notificação para pagamento de retribuição

#13.1

03/05/1985

RPI 750

Deferimento

#9.1

10/23/1984

RPI 731

Exigência - art. 36 da LPI

#6.1

04/17/1984

RPI 704

Solicitação de exame técnico

#4.1

01/26/1982

RPI 588

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