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Official data from INPI

CONECTOR ELÉTRICO PARA FILTRAR AMPLA FAIXA DE FREQUÊNCIAS

Em AnáliseInvention Patent

Application data

Number

PI8401396

Type

Invention Patent

Filing

03/27/1984

Publication

11/06/1984

Progress at the INPI

  1. Filing03/27/84
  2. Publication11/06/84
  3. Examination12/09/86
  4. Allowance07/18/89
  5. Grant02/06/90
  6. Terminated05/07/96

The patent was granted on 02/06/1990 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DU PONT [US]

See this company's full portfolio

Inventors

C. T. (pessoa física)

US

F. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

480.592 · 03/30/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

11/14/1989

RPI 995

Deferimento

#9.1

07/18/1989

RPI 978

6.2

09/15/1987

RPI 882

Solicitação de exame técnico

#4.1

12/09/1986

RPI 842

Publicação do pedido de patente

#3.1

11/06/1984

RPI 733

Pedido de patente depositado

#2.1

06/12/1984

RPI 712

Anuidade - prazo legal encerrado

#18.2

05/07/1996

RPI 1327

Republicação - classificação IPC

#15.11

08/06/1991

RPI 1079

Concessão da patente

#16.1

02/06/1990

RPI 1005

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