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Official data from INPI

UM PROCESSO E APARELHO PARA TRANSMITIR A MESMA INFORMACAO PARA UMA PLURALIDADE DE RECEPTORES

ConcedidaInvention Patent
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Application data

Number

PI8109008

Type

Invention Patent

Filing

12/16/1980

Publication

04/12/1983
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Progress at the INPI

  1. Filing12/16/80
  2. Publication04/12/83
  3. Examination03/20/84
  4. Allowance05/14/85
  5. Grant11/26/85
  6. Expired08/19/08

The letters patent expired on 08/19/2008: 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: 11/26/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ERICSSON TELEFON AB L M [SE]

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Inventors

F. [. (pessoa física)

Technical data

IPC Classification

H04M 11/08

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/26/1985

RPI 788

Deferimento

#9.1

05/14/1985

RPI 760

Exigência - art. 36 da LPI

#6.1

09/18/1984

RPI 726

Solicitação de exame técnico

#4.1

03/20/1984

RPI 700

Notificação de entrada na fase nacional - PCT

#1.3

04/12/1983

RPI 651

Carta-patente expirada

#21.1

Patente extinta em 08/12/96

08/19/2008

RPI 1963

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