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Official data from INPI

CABO DE INGNIÇÃO SUPRESSIVO DO TIPO FIO ENROLADO

ConcedidaInvention Patent

Application data

Number

PI8205240

Type

Invention Patent

Filing

09/08/1982

Publication

04/10/1984

Progress at the INPI

  1. Filing09/08/82
  2. Publication04/10/84
  3. Examination08/14/84
  4. Allowance07/09/85
  5. Grant03/25/86
  6. Expired07/01/08

The letters patent expired on 07/01/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 03/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Cerâmica e Velas de Ignição NGK do Brasil Ltda

SP, BR

Cerâmica e velas de ignição NGK do Brasil S/A

SP, BR

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Inventors

M. O. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/25/1986

RPI 805

Notificação para pagamento de retribuição

#13.1

11/12/1985

RPI 786

Deferimento

#9.1

07/09/1985

RPI 768

Exigência - art. 36 da LPI

#6.1

01/22/1985

RPI 744

Solicitação de exame técnico

#4.1

08/14/1984

RPI 721

Publicação do pedido de patente

#3.1

04/10/1984

RPI 703

Pedido de patente depositado

#2.1

10/26/1982

RPI 627

Carta-patente expirada

#21.1

Patente extinta em 08/09/97

07/01/2008

RPI 1956

20.4

03/30/1993

RPI 1165

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