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Official data from INPI

PROCESSO PARA MINIMIZAR O TEMPO ASSOCIADO COM A OPERACAO DE UM DISPOSITIVO DE ARMAZENAGEM DE ACESSO DIRETO

Concessão AnuladaInvention Patent

Application data

Number

PI7908436

Type

Invention Patent

Filing

12/28/1978

Publication

-

Progress at the INPI

  1. Filing12/28/78
  2. Publication
  3. Examination09/14/82
  4. Allowance08/16/83
  5. Grant03/27/84
  6. Expired05/02/95

The letters patent expired on 05/02/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 06/19/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

IBM

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Inventors

H. P. (pessoa física)

M. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

16.3

06/19/1984

RPI 713

Concessão da patente

#16.1

03/27/1984

RPI 701

Notificação para pagamento de retribuição

#13.1

12/06/1983

RPI 685

Deferimento

#9.1

08/16/1983

RPI 669

Solicitação de exame técnico

#4.1

09/14/1982

RPI 621

Carta-patente expirada

#21.1

05/02/1995

RPI 1274

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