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Official data from INPI

REDE DIGITAL DE COMUTACAO DE CENTRAL DE PERMUTA DE TELECOMUNICACOES COM IDENTIFICACAO INTERNA DE DEFEITO

ConcedidaInvention Patent

Application data

Number

PI8004936

Type

Invention Patent

Filing

08/10/1979

Publication

-

Progress at the INPI

  1. Filing08/10/79
  2. Publication
  3. Examination05/17/83
  4. Allowance01/02/85
  5. Grant08/27/85
  6. Terminated09/25/90

The patent was granted on 08/27/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 08/27/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PLESSEY CO LTD

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Inventors

C. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/27/1985

RPI 775

Notificação para pagamento de retribuição

#13.1

04/23/1985

RPI 757

Republicação - classificação IPC

#15.11

04/16/1985

RPI 756

Deferimento

#9.1

01/02/1985

RPI 741

Exigência - art. 36 da LPI

#6.1

06/12/1984

RPI 712

Exigência - art. 36 da LPI

#6.1

10/04/1983

RPI 676

Solicitação de exame técnico

#4.1

05/17/1983

RPI 656

14.4

08/03/1982

RPI 615

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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