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Official data from INPI

DISPOSITIVO PARA FILTRAR LÍQUIDOS IMPUROS, HASTE DE VÁLVULA, DISPOSITIVO DE ACOPLAMENTO E CARCAÇA DE FILTRO E PROCESSO DE FORNECER SELETIVAMENTE FLUÍDO FILTRADO OU NÃO FILTRADO

Prazo de SigiloInvention Patent

Application data

Number

PI8902635

Type

Invention Patent

Filing

06/06/1989

Publication

01/23/1990

Progress at the INPI

  1. Filing06/06/89
  2. Publication01/23/90
  3. Examination06/07/94
  4. Allowance
  5. Grant
  6. In force

Published on 01/23/1990, 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: 07/18/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

American Cyanamid Company

US

The Clorox Company

US

See this company's full portfolio

Inventors

K. W. (pessoa física)

Technical data

IPC Classification

Priority claims

US

202,637 · 06/07/1988

US

203,194 · 06/07/1988

US

203,196 · 06/07/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

07/18/1989

RPI 978

Retificação

#15.3

03/21/1995

RPI 1268

Solicitação de exame técnico

#4.1

06/07/1994

RPI 1227

14.1

06/18/1991

RPI 1072

Publicação do pedido de patente

#3.1

01/23/1990

RPI 1003

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