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Official data from INPI

Barreira magnética para ignição de bobinas transistorizadas controladas sem contato.

ConcedidaInvention Patent

Application data

Number

PI8104201

Type

Invention Patent

Filing

07/01/1981

Publication

08/31/1982

Progress at the INPI

  1. Filing07/01/81
  2. Publication08/31/82
  3. Examination11/13/84
  4. Allowance08/20/85
  5. Grant05/27/86
  6. Expired10/08/96

The letters patent expired on 10/08/1996: 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: 05/27/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Robert Bosch GMBH.

DE

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Inventors

B. H. (pessoa física)

F. M. (pessoa física)

J. H. (pessoa física)

K. H. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

G 80 25 952.5 · 09/27/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/27/1986

RPI 814

Notificação para pagamento de retribuição

#13.1

12/24/1985

RPI 792

Deferimento

#9.1

08/20/1985

RPI 774

Solicitação de exame técnico

#4.1

11/13/1984

RPI 734

Publicação do pedido de patente

#3.1

08/31/1982

RPI 619

Carta-patente expirada

#21.1

10/08/1996

RPI 1349

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