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Official data from INPI

vela incandescente de cerâmica para partida a frio de motores diesel.

ConcedidaInvention Patent
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Application data

Number

PI8207008

Type

Invention Patent

Filing

11/26/1982

Publication

02/21/1984
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Progress at the INPI

  1. Filing11/26/82
  2. Publication02/21/84
  3. Examination06/19/84
  4. Allowance01/21/87
  5. Grant10/27/87
  6. Terminated04/11/95

The patent was granted on 10/27/1987 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 10/27/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Cerâmica e Velas de Ignição NGK do Brasil Ltda

SP, BR

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Inventors

C. A. (pessoa física)

Technical data

IPC Classification

H01T 13/40

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/27/1987

RPI 888

Notificação para pagamento de retribuição

#13.1

06/09/1987

RPI 868

Deferimento

#9.1

01/21/1987

RPI 848

8.1

08/26/1986

RPI 827

Exigência - art. 36 da LPI

#6.1

10/29/1985

RPI 784

Exigência - art. 36 da LPI

#6.1

05/28/1985

RPI 762

Exigência - art. 36 da LPI

#6.1

12/26/1984

RPI 740

Solicitação de exame técnico

#4.1

06/19/1984

RPI 713

Publicação antecipada

#3.2

02/21/1984

RPI 696

10.3

12/20/1983

RPI 687

10.3

11/08/1983

RPI 681

10.1

04/12/1983

RPI 651

Pedido de patente depositado

#2.1

01/25/1983

RPI 640

Anuidade - prazo legal encerrado

#18.2

04/11/1995

RPI 1271

20.4

03/30/1993

RPI 1165

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