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Official data from INPI

DISPOSITIVO DE FILTRO

ArquivadaInvention Patent

Application data

Number

PI9001028

Type

Invention Patent

Filing

03/05/1990

Publication

02/26/1991

Progress at the INPI

  1. Filing03/05/90
  2. Publication02/26/91
  3. Abandoned09/14/93
  4. Allowance
  5. Grant
  6. In force

The application was abandoned at the INPI. The case ended without a patent and the technology is in the public domain in Brazil.

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Latest action published by the INPI: 03/27/2018. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F. C. (pessoa física)

US

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Inventors

D. B. (pessoa física)

DE

R. S. (pessoa física)

DE

Technical data

Priority claims

US

319.021 · 03/06/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era B01D 37/06.

03/27/2018

RPI 2464

11.31

11/04/1997

RPI 1405

Exigência - art. 36 da LPI

#6.1

11/05/1996

RPI 1353

6.2

04/11/1995

RPI 1271

Solicitação de exame técnico

#4.1

09/14/1993

RPI 1189

3.4

05/21/1991

RPI 1068

Publicação do pedido de patente

#3.1

02/26/1991

RPI 1056

Pedido de patente depositado

#2.1

05/22/1990

RPI 1019

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