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Official data from INPI

METODO PARA COMUNICAR COMANDOS E INSTRUCOES DE TEXTO USANDO CARACTERES DE TEXTO CODIFICADOS CONVENCIONAIS E UMA ESTRUTURA PARA DECODIFICAR E APRESENTAR SINAIS DE COMANDO E INSTRUCAO

ConcedidaInvention Patent

Application data

Number

PI7703604

Type

Invention Patent

Filing

06/07/1976

Publication

-

Progress at the INPI

  1. Filing06/07/76
  2. Publication
  3. Examination
  4. Allowance07/12/83
  5. Grant01/31/84
  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: 01/31/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

IBM

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Inventors

B. R. (pessoa física)

B. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

01/31/1984

RPI 693

Deferimento

#9.1

07/12/1983

RPI 664

8.1

05/24/1983

RPI 657

6.5

11/16/1982

RPI 630

Exigência - art. 36 da LPI

#6.1

10/05/1982

RPI 624

6.2

10/20/1981

RPI 574

Carta-patente expirada

#21.1

07/06/1993

RPI 1179

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