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Official data from INPI

APERFEIÇOAMENTO EM FILTRO DE PASSA-FAIXA COM RESSONADORES DIELÉTRICOS

Em AnáliseInvention Patent
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Application data

Number

PI8504822

Type

Invention Patent

Filing

09/26/1985

Publication

07/22/1986
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Progress at the INPI

  1. Filing09/26/85
  2. Publication07/22/86
  3. Examination10/14/86
  4. Allowance11/26/91
  5. Grant10/27/92
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 10/14/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

N. C. (pessoa física)

JP

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Inventors

H. S. (pessoa física)

JP

M. M. (pessoa física)

JP

Technical data

IPC Classification

H01P 1/212

Priority claims

JP

P 59-202337 · 09/27/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/14/1986

RPI 834

Publicação do pedido de patente

#3.1

07/22/1986

RPI 822

Pedido de patente depositado

#2.1

12/10/1985

RPI 790

Carta-patente expirada

#21.1

Patente extinta em 26/09/2000

07/15/2008

RPI 1958

200

04/25/1995

RPI 1273

Pedido de licença voluntária

#17.1

01/11/1994

RPI 1206

Concessão da patente

#16.1

10/27/1992

RPI 1143

Notificação para pagamento de retribuição

#13.1

04/14/1992

RPI 1115

Deferimento

#9.1

11/26/1991

RPI 1095

Exigência - art. 36 da LPI

#6.1

06/11/1991

RPI 1071

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