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Official data from INPI

ESTOJO PARA MAQUINA DE ESCREVER E MECANISMO PARA OAPARELHO PARA INSERIR UM TERMINAL ELETRICO MESMO

ConcedidaInvention Patent

Application data

Number

PI7803424

Type

Invention Patent

Filing

05/23/1977

Publication

-

Progress at the INPI

  1. Filing05/23/77
  2. Publication
  3. Examination
  4. Allowance10/18/83
  5. Grant03/27/84
  6. Expired11/30/93

The letters patent expired on 11/30/1993: 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: 03/27/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

AMP INC

IBM

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Inventors

M. J. (pessoa física)

P. H. (pessoa física)

S. J. (pessoa física)

S. R. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/27/1984

RPI 701

Deferimento

#9.1

10/18/1983

RPI 678

Exigência - art. 36 da LPI

#6.1

04/19/1983

RPI 652

Exigência - art. 36 da LPI

#6.1

10/19/1982

RPI 626

6.2

01/12/1982

RPI 586

Carta-patente expirada

#21.1

11/30/1993

RPI 1200

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