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Official data from INPI

COMPOSICAO REVELADORA E PRCESSO PARA O PROCESSAMENTO DE UMA CHAPA SENSIVEL A RADIACAO

ConcedidaInvention Patent

Application data

Number

PI8100520

Type

Invention Patent

Filing

01/29/1980

Publication

-

Progress at the INPI

  1. Filing01/29/80
  2. Publication
  3. Examination10/11/83
  4. Allowance08/02/88
  5. Grant04/25/89
  6. Terminated02/04/92

The patent was granted on 04/25/1989 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: 04/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

VICKERS LTD

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Inventors

B. J. (pessoa física)

M. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/25/1989

RPI 966

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

04/23/1985

RPI 757

Conhecimento de parecer técnico

#7.1

06/12/1984

RPI 712

Solicitação de exame técnico

#4.1

10/11/1983

RPI 677

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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