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Official data from INPI

SEM TITULO

Em AnáliseInvention Patent

Application data

Number

PI8004874

Type

Invention Patent

Filing

08/04/1980

Publication

-

Progress at the INPI

  1. Filing08/04/80
  2. Publication
  3. Examination05/10/83
  4. Allowance06/12/84
  5. Grant12/26/84
  6. Expired09/19/95

The letters patent expired on 09/19/1995: 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: 11/24/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Alcatel N.V

NL

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Inventors

A. J. (pessoa física)

D. P. (pessoa física)

G. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

11/24/1987

RPI 892

Concessão da patente

#16.1

12/26/1984

RPI 740

Notificação para pagamento de retribuição

#13.1

10/02/1984

RPI 728

Deferimento

#9.1

06/12/1984

RPI 712

Exigência - art. 36 da LPI

#6.1

02/21/1984

RPI 696

Exigência - art. 36 da LPI

#6.1

11/16/1983

RPI 682

Solicitação de exame técnico

#4.1

05/10/1983

RPI 655

Carta-patente expirada

#21.1

09/19/1995

RPI 1294

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