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Official data from INPI

SISTEMA DE PROCESSAMENTO DE DADOS DIGITAIS MICROPROGRAMADOS EMPREGANDO TAREFAS AO NIVEL DE MICROINSTRUCAO

Em AnáliseInvention Patent

Application data

Number

PI8109029

Type

Invention Patent

Filing

09/30/1981

Publication

09/06/1983

Progress at the INPI

  1. Filing09/30/81
  2. Publication09/06/83
  3. Examination12/27/83
  4. Allowance07/09/85
  5. Grant04/29/86
  6. Terminated05/24/88

The patent was granted on 04/29/1986 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: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BURROUGHS CORP [GB]

BURROUGHS MACHINES LTD [GB]

Inventors

H. [. (pessoa física)

R. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/24/1988

RPI 918

Concessão da patente

#16.1

04/29/1986

RPI 810

Notificação para pagamento de retribuição

#13.1

11/12/1985

RPI 786

Deferimento

#9.1

07/09/1985

RPI 768

Exigência - art. 36 da LPI

#6.1

12/18/1984

RPI 739

Solicitação de exame técnico

#4.1

12/27/1983

RPI 688

Notificação de entrada na fase nacional - PCT

#1.3

09/06/1983

RPI 672

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