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Official data from INPI

FILTRO DE PASSAGEM DE FAIXA

ConcedidaInvention Patent

Application data

Number

PI8305744

Type

Invention Patent

Filing

01/21/1983

Publication

01/10/1984

Progress at the INPI

  1. Filing01/21/83
  2. Publication01/10/84
  3. Examination09/17/85
  4. Allowance12/27/88
  5. Grant09/26/89
  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.

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

Motorola, Inc.

US

See this company's full portfolio

Inventors

C. C. (pessoa física)

US

R. S. (pessoa física)

US

Technical data

Priority claims

US

349.346 · 02/16/1982

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

05/02/1989

RPI 967

Deferimento

#9.1

12/27/1988

RPI 949

Exigência - art. 36 da LPI

#6.1

06/28/1988

RPI 923

Conhecimento de parecer técnico

#7.1

12/15/1987

RPI 895

Solicitação de exame técnico

#4.1

09/17/1985

RPI 778

Notificação de entrada na fase nacional - PCT

#1.3

01/10/1984

RPI 690

Carta-patente expirada

#21.1

Patente extinta em 21/01/98

07/01/2008

RPI 1956

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