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Official data from INPI

SISTEMA PARA O ACESSO RANDOMICO DE UMA MEMORIA DE RECIRCULACAO

Em AnáliseInvention Patent

Application data

Number

PI7901315

Type

Invention Patent

Filing

03/06/1978

Publication

-

Progress at the INPI

  1. Filing03/06/78
  2. Publication
  3. Examination10/06/81
  4. Allowance05/31/83
  5. Grant10/25/83
  6. Terminated06/14/88

The patent was granted on 10/25/1983 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

IBM

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Inventors

P. R. (pessoa física)

P. D. (pessoa física)

S. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/14/1988

RPI 921

Concessão da patente

#16.1

10/25/1983

RPI 679

Notificação para pagamento de retribuição

#13.1

09/27/1983

RPI 675

Deferimento

#9.1

05/31/1983

RPI 658

Exigência - art. 36 da LPI

#6.1

11/09/1982

RPI 629

15.0

06/29/1982

RPI 610

Exigência - art. 36 da LPI

#6.1

06/22/1982

RPI 609

Solicitação de exame técnico

#4.1

10/06/1981

RPI 572

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