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Official data from INPI

APARELHO PARA AMORTECIMENTO HIDRÁULICO

ConcedidaInvention Patent

Application data

Number

PI8406936

Type

Invention Patent

Filing

06/08/1984

Publication

06/04/1985

Progress at the INPI

  1. Filing06/08/84
  2. Publication06/04/85
  3. Examination07/28/87
  4. Allowance12/06/88
  5. Grant09/26/89
  6. Terminated07/04/95

The patent was granted on 09/26/1989 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Air-Log Limited

GB

Inventors

J. B. (pessoa física)

GB

J. H. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

8316722 · 06/20/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

04/25/1989

RPI 966

Deferimento

#9.1

12/06/1988

RPI 946

14.1

06/14/1988

RPI 921

Exigência - art. 36 da LPI

#6.1

04/19/1988

RPI 913

Solicitação de exame técnico

#4.1

07/28/1987

RPI 875

Notificação de entrada na fase nacional - PCT

#1.3

06/04/1985

RPI 763

Anuidade - prazo legal encerrado

#18.2

07/04/1995

RPI 1283

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