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Official data from INPI

SISTEMA DE COMUNICACAO DIGITAL BIDIRECIONAL PARA TRANSMISSAO DE INFORMACAO DIGITAL ENTRE UMA ESTACAO CENTRAL E UM CERTO NUMERO DE ESTACOES REMOTAS

Em AnáliseInvention Patent

Application data

Number

PI7805939

Type

Invention Patent

Filing

01/14/1977

Publication

-

Progress at the INPI

  1. Filing01/14/77
  2. Publication
  3. Examination
  4. Allowance08/10/82
  5. Grant03/29/83
  6. Terminated05/17/88

The patent was granted on 03/29/1983 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DATRIX CORP

Inventors

T. B. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Concessão da patente

#16.1

03/29/1983

RPI 649

Notificação para pagamento de retribuição

#13.1

12/28/1982

RPI 636

Deferimento

#9.1

08/10/1982

RPI 616

Exigência - art. 36 da LPI

#6.1

01/05/1982

RPI 585

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