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Official data from INPI

APARELHO PARA EFETUAR A ABSORÇÃO DE OXIGÊNIO POR DEJETOS BIODEGRADÁVEIS; SISTEMA PARA O TRATAMENTO DE DEJETOS BIODEGRADÁVEIS; APARELHO OXIGENADOR; PROCESSO PRESSURIZADO CONTÍNUO, E SISTEMA DE BOMA E DIFUSOR ESTÁTICO.

Em AnáliseInvention Patent
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Application data

Number

PI8606989

Type

Invention Patent

Filing

11/18/1986

Publication

12/01/1987
View on INPI

Progress at the INPI

  1. Filing11/18/86
  2. Publication12/01/87
  3. Examination03/01/88
  4. Allowance
  5. Grant
  6. In force

Published on 12/01/1987, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 11/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. S. (pessoa física)

US

Inventors

D. S. (pessoa física)

T. S. (pessoa física)

W. H. (pessoa física)

Technical data

IPC Classification

B01D 21/24B01F 5/12C02F 1/74C02F 3/22

Priority claims

US

799.104 · 11/18/1985

US

PCT/86/02542 · 11/18/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/07/1989

RPI 994

4.2.1

11/07/1989

RPI 994

Solicitação de exame não realizada

#4.2

10/17/1989

RPI 991

Solicitação de exame técnico

#4.1

03/01/1988

RPI 906

Notificação de entrada na fase nacional - PCT

#1.3

12/01/1987

RPI 893

Retificação

#15.3

03/09/1993

RPI 1162

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