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Official data from INPI

REGULADOR DE EMPUXO.

ConcedidaInvention Patent

Application data

Number

PI8307603

Type

Invention Patent

Filing

11/08/1983

Publication

10/02/1984

Progress at the INPI

  1. Filing11/08/83
  2. Publication10/02/84
  3. Examination08/19/86
  4. Allowance12/29/87
  5. Grant07/26/88
  6. Terminated04/30/96

The patent was granted on 07/26/1988 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: 07/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. W. (pessoa física)

CH

Inventors

W. W. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

CH

6534/82 · 11/10/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/26/1988

RPI 927

Notificação para pagamento de retribuição

#13.1

05/10/1988

RPI 916

Deferimento

#9.1

12/29/1987

RPI 897

Solicitação de exame técnico

#4.1

08/19/1986

RPI 826

Notificação de entrada na fase nacional - PCT

#1.3

10/02/1984

RPI 728

Anuidade - prazo legal encerrado

#18.2

04/30/1996

RPI 1326

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