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Official data from INPI

DISPOSITIVO DE RETENÇÃO, ENTRE UMA PAREDE E UMA PEÇA GIRATÓRIA QUE ATRAVESSA DE UMA FASE LÍQUIDA.

ConcedidaInvention Patent

Application data

Number

PI8400857

Type

Invention Patent

Filing

02/24/1919

Publication

10/02/1984

Progress at the INPI

  1. Filing02/24/19
  2. Publication10/02/84
  3. Examination08/05/86
  4. Allowance09/15/87
  5. Grant06/28/88
  6. Terminated04/30/96

The patent was granted on 06/28/1988 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: 06/28/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. P. (pessoa física)

FR

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Inventors

B. J. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

83 03633 · 02/28/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/28/1988

RPI 923

Notificação para pagamento de retribuição

#13.1

01/26/1988

RPI 901

Deferimento

#9.1

09/15/1987

RPI 882

Solicitação de exame técnico

#4.1

08/05/1986

RPI 824

Publicação do pedido de patente

#3.1

10/02/1984

RPI 728

Pedido de patente depositado

#2.1

05/08/1984

RPI 707

Anuidade - prazo legal encerrado

#18.2

04/30/1996

RPI 1326

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