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Official data from INPI

MAQUINA DE ESCREVER ELETRONICA

ConcedidaInvention Patent

Application data

Number

PI7904552

Type

Invention Patent

Filing

07/18/1978

Publication

-

Progress at the INPI

  1. Filing07/18/78
  2. Publication
  3. Examination06/29/82
  4. Allowance12/11/84
  5. Grant06/25/85
  6. Expired04/18/95

The letters patent expired on 04/18/1995: 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: 06/25/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

OLIVETTI & CO SPA

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Inventors

D. F. (pessoa física)

F. M. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/25/1985

RPI 766

Notificação para pagamento de retribuição

#13.1

04/09/1985

RPI 755

Deferimento

#9.1

12/11/1984

RPI 738

Exigência - art. 36 da LPI

#6.1

05/29/1984

RPI 710

Exigência - art. 36 da LPI

#6.1

08/30/1983

RPI 671

Solicitação de exame técnico

#4.1

06/29/1982

RPI 610

Carta-patente expirada

#21.1

04/18/1995

RPI 1272

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