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Official data from INPI

INTERFACE SINCRONO GERADO POR MICROCODIGO PARA SISTEMA DE PROCESSADORES DE DADOS MICROCODIFICADOS

ConcedidaInvention Patent

Application data

Number

PI7802682

Type

Invention Patent

Filing

04/28/1977

Publication

-

Progress at the INPI

  1. Filing04/28/77
  2. Publication
  3. Examination
  4. Allowance07/19/83
  5. Grant12/27/83
  6. Expired07/06/93

The letters patent expired on 07/06/1993: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/27/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

IBM

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Inventors

A. R. (pessoa física)

H. D. (pessoa física)

L. J. (pessoa física)

T. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/27/1983

RPI 688

Notificação para pagamento de retribuição

#13.1

11/16/1983

RPI 682

Deferimento

#9.1

07/19/1983

RPI 665

Exigência - art. 36 da LPI

#6.1

09/14/1982

RPI 621

15.0

06/15/1982

RPI 608

Exigência - art. 36 da LPI

#6.1

03/02/1982

RPI 593

Carta-patente expirada

#21.1

07/06/1993

RPI 1179

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