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Official data from INPI

PROCESSO PARA APERFEIÇOAR FILTRABILIDADE DE PARTÍCULAS DE POLIVINIL POLILACTAMA, PROCESSOA PARA PURIFICAÇÃO DE LÍQUIDO E PROCESSO PARA FILTRAGEM DE BEBIDA

ArquivadaInvention PatentPCT · US1988000432

Application data

Number

PI8806078

Type

Invention Patent

Filing

02/11/1988

Publication

10/17/1989

PCT

US1988000432

Progress at the INPI

  1. Filing02/11/88
  2. Publication10/17/89
  3. Abandoned09/25/90
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

G. C. (pessoa física)

US

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Inventors

I. C. (pessoa física)

J. P. (pessoa física)

T. S. (pessoa física)

Technical data

IPC Classification

Priority claims

US

023.318 · 03/09/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

10/17/1989

RPI 991

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C08F 26/10; B01D 37/02; A23L 2/30; C08F 6/24.

03/27/2018

RPI 2464

Arquivamento - Art. 36 §1° da LPI

#11.2

08/18/1998

RPI 1443

Exigência - art. 36 da LPI

#6.1

03/25/1997

RPI 1373

Solicitação de exame técnico

#4.1

09/25/1990

RPI 1034

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