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Official data from INPI

CABO TOTALMENTE PREENCHIDO,PARA TELECOMUNICACOES

Em AnáliseInvention Patent
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Application data

Number

PI7807633

Type

Invention Patent

Filing

11/30/1977

Publication

-
View on INPI

Progress at the INPI

  1. Filing11/30/77
  2. Publication
  3. Examination
  4. Allowance05/04/82
  5. Grant01/25/83
  6. Expired05/24/94

The letters patent expired on 05/24/1994: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

P. W. (pessoa física)

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Inventors

C. R. (pessoa física)

Technical data

IPC Classification

H01B 11/04

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Licença compulsória (variante)

#20.2

10/31/1989

RPI 993

Licença compulsória (variante)

#20.2

07/11/1989

RPI 977

20.7

10/16/1984

RPI 730

20.4

10/02/1984

RPI 728

20.4

09/25/1984

RPI 727

Concessão da patente

#16.1

01/25/1983

RPI 640

Notificação para pagamento de retribuição

#13.1

09/08/1982

RPI 620

Deferimento

#9.1

05/04/1982

RPI 602

Exigência - art. 36 da LPI

#6.1

11/17/1981

RPI 578

Carta-patente expirada

#21.1

05/24/1994

RPI 1225

Pedido de licença compulsória

#20.1

04/02/1991

RPI 1061

20.10

10/16/1990

RPI 1037

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