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Official data from INPI

VELA INCANDESCENTE DE CERAMICA PARA PARTIDA A FRIO DE MOTORES DIESEL

Em AnáliseInvention Patent

Application data

Number

PI8206483

Type

Invention Patent

Filing

11/08/1982

Publication

11/01/1983

Progress at the INPI

  1. Filing11/08/82
  2. Publication11/01/83
  3. Examination02/14/84
  4. Allowance12/26/84
  5. Grant07/30/85
  6. Terminated10/16/90

The patent was granted on 07/30/1985 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: 03/10/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

NGK BRASIL CERAM VELAS IGNICAO [BR]

Inventors

O. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

201

03/10/1987

RPI 855

Pedido de licença voluntária

#17.1

09/23/1986

RPI 831

Concessão da patente

#16.1

07/30/1985

RPI 771

Notificação para pagamento de retribuição

#13.1

04/16/1985

RPI 756

Deferimento

#9.1

12/26/1984

RPI 740

Exigência - art. 36 da LPI

#6.1

08/14/1984

RPI 721

Solicitação de exame técnico

#4.1

02/14/1984

RPI 695

Publicação antecipada

#3.2

11/01/1983

RPI 680

Anuidade - prazo legal encerrado

#18.2

10/16/1990

RPI 1037

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