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Official data from INPI

PROCESSO E APARELHO PARA A FABRICAÇÃO DE UM CORDEL DETONANTE EXPLOSIVO

ConcedidaInvention Patent

Application data

Number

PI8000428

Type

Invention Patent

Filing

01/23/1980

Publication

-

Progress at the INPI

  1. Filing01/23/80
  2. Publication
  3. Examination08/31/82
  4. Allowance08/11/87
  5. Grant02/23/88
  6. Terminated09/25/90

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

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Inventors

R. A. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

7902492 · 01/24/1979

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

12/01/1987

RPI 893

Deferimento

#9.1

08/11/1987

RPI 877

Conhecimento de parecer técnico

#7.1

10/29/1986

RPI 836

6.2

12/13/1983

RPI 686

Solicitação de exame técnico

#4.1

08/31/1982

RPI 619

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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