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Official data from INPI

CIRCUITO RECEPTOR DE FM APERFEIÇOADO

ConcedidaInvention Patent

Application data

Number

PI8403929

Type

Invention Patent

Filing

08/06/1984

Publication

07/09/1985

Progress at the INPI

  1. Filing08/06/84
  2. Publication07/09/85
  3. Examination04/22/87
  4. Allowance10/04/88
  5. Grant09/26/89
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Philips Electronics N.V.

NL

See this company's full portfolio

Inventors

W. K. (pessoa física)

NL

W. N. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 33 28 555.1 · 08/08/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

01/24/1989

RPI 953

Deferimento

#9.1

10/04/1988

RPI 937

Republicação - classificação IPC

#15.11

08/02/1988

RPI 928

Exigência - art. 36 da LPI

#6.1

04/19/1988

RPI 913

Solicitação de exame técnico

#4.1

04/22/1987

RPI 861

Publicação do pedido de patente

#3.1

07/09/1985

RPI 768

Pedido de patente depositado

#2.1

10/09/1984

RPI 729

Carta-patente expirada

#21.1

Patente extinta em 06/08/99

07/08/2008

RPI 1957

Alteração de nome deferida

#25.4

12/23/1997

RPI 1409

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