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Official data from INPI

APARELHO PARA CORRECAO DE ERROS DE DADOS CHAVEADOS

ConcedidaInvention Patent

Application data

Number

PI7701260

Type

Invention Patent

Filing

03/01/1976

Publication

-

Progress at the INPI

  1. Filing03/01/76
  2. Publication
  3. Examination
  4. Allowance04/27/82
  5. Grant01/11/83
  6. Terminated01/21/92

The patent was granted on 01/11/1983 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: 01/11/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

IBM

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Inventors

C. C. (pessoa física)

R. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

01/11/1983

RPI 638

Notificação para pagamento de retribuição

#13.1

08/31/1982

RPI 619

15.0

04/27/1982

RPI 601

Deferimento

#9.1

04/27/1982

RPI 601

6.2

11/10/1981

RPI 577

Anuidade - prazo legal encerrado

#18.2

01/21/1992

RPI 1103

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