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Official data from INPI

Receptor de FM Compreendendo Uma Malha Trancada em Frequência

ConcedidaInvention Patent
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Application data

Number

PI8301101

Type

Invention Patent

Filing

03/07/1983

Publication

11/22/1983
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Progress at the INPI

  1. Filing03/07/83
  2. Publication11/22/83
  3. Examination12/17/85
  4. Allowance10/06/87
  5. Grant05/31/88
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

N.V. Philips'Gloeilampenfabrieken

NL

Philips Electronics N.V

NL

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Inventors

K. G. (pessoa física)

Technical data

IPC Classification

H04B 1/16

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/31/1988

RPI 919

Notificação para pagamento de retribuição

#13.1

02/09/1988

RPI 903

Deferimento

#9.1

10/06/1987

RPI 885

Exigência - art. 36 da LPI

#6.1

11/18/1986

RPI 839

Solicitação de exame técnico

#4.1

12/17/1985

RPI 791

Publicação do pedido de patente

#3.1

11/22/1983

RPI 683

Pedido de patente depositado

#2.1

04/19/1983

RPI 652

Carta-patente expirada

#21.1

Patente extinta em 07/03/98

07/01/2008

RPI 1956

Alteração de nome deferida

#25.4

Alterado de: N.V. Philips Gloeilampenfabrieken

09/15/1998

RPI 1447

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