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Official data from INPI

Processo para a instalação, sem fenda, de elétrodos centrais em corpos isolantes de velas de ignição para motores de combustão interna.

ConcedidaInvention Patent
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Application data

Number

PI8301736

Type

Invention Patent

Filing

04/05/1983

Publication

12/13/1983
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Progress at the INPI

  1. Filing04/05/83
  2. Publication12/13/83
  3. Examination07/08/86
  4. Allowance08/02/88
  5. Grant06/27/89
  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.

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Latest action published by the INPI: 06/27/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Robert Bosch GmbH

DE

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Inventors

P. R. (pessoa física)

Technical data

IPC Classification

H01T 13/34

Priority claims

DE

P 32 12 770.7 · 04/06/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/27/1989

RPI 975

Notificação para pagamento de retribuição

#13.1

11/29/1988

RPI 945

Deferimento

#9.1

08/02/1988

RPI 928

Exigência - art. 36 da LPI

#6.1

01/12/1988

RPI 899

Exigência - art. 36 da LPI

#6.1

06/23/1987

RPI 870

Solicitação de exame técnico

#4.1

07/08/1986

RPI 820

8.1

04/08/1986

RPI 807

Publicação do pedido de patente

#3.1

12/13/1983

RPI 686

Pedido de patente depositado

#2.1

05/17/1983

RPI 656

Carta-patente expirada

#21.1

Patente extinta em 05/04/98

07/01/2008

RPI 1956

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