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Official data from INPI

SISTEMA DE LIMPEZA DE SACOS DE FILTRO

ArquivadaInvention Patent
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Application data

Number

PI8108592

Type

Invention Patent

Filing

05/12/1980

Publication

04/06/1982
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Progress at the INPI

  1. Filing05/12/80
  2. Publication04/06/82
  3. Abandoned12/27/83
  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.

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Latest action published by the INPI: 10/14/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

AIR PREHEATER [US]

Inventors

R. U. (pessoa física)

Technical data

IPC Classification

B01D 45/18

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

10/14/1986

RPI 834

Exigência - art. 36 da LPI

#6.1

12/24/1985

RPI 792

Conhecimento de parecer técnico

#7.1

11/20/1984

RPI 735

Solicitação de exame técnico

#4.1

12/27/1983

RPI 688

Notificação de entrada na fase nacional - PCT

#1.3

04/06/1982

RPI 598

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