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Official data from INPI

DEMULTIPLEXADOR.

ArquivadaInvention Patent

Application data

Number

PI8304316

Type

Invention Patent

Filing

08/11/1983

Publication

03/20/1984

Progress at the INPI

  1. Filing08/11/83
  2. Publication03/20/84
  3. Examination07/10/84
  4. Allowance03/26/85
  5. Abandoned
  6. In force

The application was allowed on 03/26/1985 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

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Latest action published by the INPI: 07/08/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. A. (pessoa física)

DE

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Inventors

E. B. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Priority claims

DE

P 32 30 05419 · 08/12/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

07/08/1986

RPI 820

Notificação para pagamento de retribuição

#13.1

07/09/1985

RPI 768

Deferimento

#9.1

03/26/1985

RPI 753

Solicitação de exame técnico

#4.1

07/10/1984

RPI 716

Publicação do pedido de patente

#3.1

03/20/1984

RPI 700

Pedido de patente depositado

#2.1

10/18/1983

RPI 678

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