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Official data from INPI

CONJUNTO DE IGNIÇÃO; SISTEMA DE IGNIÇÃO PARA DISPARO DE UM DETONADOR ELÉTRICO PROCESSO DE CONSTRUÇÃO DE UM CONJUNTO DE IGNIÇÃO E PROCESSO DE DISPARO DE UM ELEMENTO DE IGNIÇÃO ELÉTRICA RESISTIVA

ConcedidaInvention Patent

Application data

Number

PI7903179

Type

Invention Patent

Filing

05/22/1979

Publication

-

Progress at the INPI

  1. Filing05/22/79
  2. Publication
  3. Examination12/08/81
  4. Allowance10/18/83
  5. Grant04/24/84
  6. Terminated01/28/92

The patent was granted on 04/24/1984 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: 04/24/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Imperial Chemical Industries Plc.

GB

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Inventors

J. E. (pessoa física)

M. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/24/1984

RPI 705

Notificação para pagamento de retribuição

#13.1

01/31/1984

RPI 693

Deferimento

#9.1

10/18/1983

RPI 678

Republicação - classificação IPC

#15.11

05/10/1983

RPI 655

Exigência - art. 36 da LPI

#6.1

04/19/1983

RPI 652

Solicitação de exame técnico

#4.1

12/08/1981

RPI 581

Anuidade - prazo legal encerrado

#18.2

01/28/1992

RPI 1104

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