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Official data from INPI

vela de ignição para alta carga.

ConcedidaInvention Patent
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Application data

Number

PI8301868

Type

Invention Patent

Filing

04/08/1983

Publication

11/01/1983
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Progress at the INPI

  1. Filing04/08/83
  2. Publication11/01/83
  3. Examination01/17/84
  4. Allowance05/05/87
  5. Grant12/29/87
  6. Terminated10/02/90

The patent was granted on 12/29/1987 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: 12/29/1987. 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

Y. M. (pessoa física)

Technical data

IPC Classification

H01T 13/20

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/29/1987

RPI 897

Notificação para pagamento de retribuição

#13.1

09/22/1987

RPI 883

Deferimento

#9.1

05/05/1987

RPI 863

Exigência - art. 36 da LPI

#6.1

08/13/1985

RPI 773

Exigência - art. 36 da LPI

#6.1

04/02/1985

RPI 754

Solicitação de exame técnico

#4.1

01/17/1984

RPI 691

Publicação antecipada

#3.2

11/01/1983

RPI 680

Pedido de patente depositado

#2.1

05/31/1983

RPI 658

Anuidade - prazo legal encerrado

#18.2

10/02/1990

RPI 1035

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