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Official data from INPI

METODO E APARELHO PARA PRODUZIR UMA IMPRESSAO PRELIMINAR DE CARACTERES DE TEXTO E CODIGOS DE INSTRUCOES DE APARELHO DE PROCESSAMENTO DA PALAVRA

ConcedidaInvention Patent

Application data

Number

PI7901352

Type

Invention Patent

Filing

03/06/1978

Publication

-

Progress at the INPI

  1. Filing03/06/78
  2. Publication
  3. Examination12/29/81
  4. Allowance03/22/83
  5. Grant10/25/83
  6. Terminated01/28/92

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.

Talk to a specialist

Latest action published by the INPI: 10/25/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

IBM

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Inventors

S. C. (pessoa física)

Y. L. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/25/1983

RPI 679

Notificação para pagamento de retribuição

#13.1

08/02/1983

RPI 667

Deferimento

#9.1

03/22/1983

RPI 648

Republicação - classificação IPC

#15.11

11/23/1982

RPI 631

Exigência - art. 36 da LPI

#6.1

08/17/1982

RPI 617

Solicitação de exame técnico

#4.1

12/29/1981

RPI 584

Anuidade - prazo legal encerrado

#18.2

01/28/1992

RPI 1104

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