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Official data from INPI

APARELHO INICIADOR DE EXPLOSÕES E PROCESSO DE INICIAR EXPLOSÕES

ConcedidaInvention Patent

Application data

Number

PI8108075

Type

Invention Patent

Filing

12/11/1981

Publication

09/21/1982

Progress at the INPI

  1. Filing12/11/81
  2. Publication09/21/82
  3. Examination10/09/84
  4. Allowance08/25/87
  5. Grant02/23/88
  6. Terminated02/04/92

The patent was granted on 02/23/1988 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: 02/23/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Imperial Chemical Industries Plc.

GB

See this company's full portfolio

Inventors

G. E. (pessoa física)

P. J. (pessoa física)

W. P. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

807774 · 12/11/1980

GB

8119236 · 06/22/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/23/1988

RPI 905

Notificação para pagamento de retribuição

#13.1

12/15/1987

RPI 895

Deferimento

#9.1

08/25/1987

RPI 879

Exigência - art. 36 da LPI

#6.1

03/24/1987

RPI 857

Republicação - classificação IPC

#15.11

01/14/1986

RPI 795

Solicitação de exame técnico

#4.1

10/09/1984

RPI 729

Publicação do pedido de patente

#3.1

09/21/1982

RPI 622

Pedido de patente depositado

#2.1

02/02/1982

RPI 589

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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