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Official data from INPI

ENGENHO PARA RETIRADA SELETIVA DE UMA CAMADA DE LIQUIDO LEVE NA SUPERFICIE DE UMA CAMADA DE AGUA

Em AnáliseInvention Patent

Application data

Number

PI8207983

Type

Invention Patent

Filing

11/23/1981

Publication

10/04/1983

Progress at the INPI

  1. Filing11/23/81
  2. Publication10/04/83
  3. Examination03/13/84
  4. Allowance03/19/85
  5. Grant08/27/85
  6. Terminated05/24/88

The patent was granted on 08/27/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BENAROYA HENRY [FR]

CADOUX JEAN ELIE [FR]

FOLL JEAN LE [FR]

Inventors

B. [. (pessoa física)

C. [. (pessoa física)

F. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/24/1988

RPI 918

Concessão da patente

#16.1

08/27/1985

RPI 775

Notificação para pagamento de retribuição

#13.1

07/09/1985

RPI 768

Deferimento

#9.1

03/19/1985

RPI 752

4.1.2

07/31/1984

RPI 719

4.1.2

06/05/1984

RPI 711

Solicitação de exame técnico

#4.1

03/13/1984

RPI 699

Notificação de entrada na fase nacional - PCT

#1.3

10/04/1983

RPI 676

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