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Official data from INPI

DISPOSICAO EM EQUIPAMENTO DE TELECOMUNICACAO CONTROLADO POR PROGRAMA REGISTRADO

ConcedidaInvention Patent

Application data

Number

PI7801158

Type

Invention Patent

Filing

02/28/1977

Publication

-

Progress at the INPI

  1. Filing02/28/77
  2. Publication
  3. Examination
  4. Allowance12/06/83
  5. Grant04/30/85
  6. Expired07/20/93

The letters patent expired on 07/20/1993: 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: 04/30/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ERICSSON TELEFON AB L M

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Inventors

K. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/30/1985

RPI 758

Notificação para pagamento de retribuição

#13.1

03/27/1984

RPI 701

Deferimento

#9.1

12/06/1983

RPI 685

Exigência - art. 36 da LPI

#6.1

07/19/1983

RPI 665

Carta-patente expirada

#21.1

07/20/1993

RPI 1181

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