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Official data from INPI

DISPOSITIVO INJETOR DE AR E DE LAVAGEM POR CONTRAFLUXO PARA UM PURIFICADOR DE AR.

ArquivadaInvention PatentPCT · US1981000681

Application data

Number

PI8108613

Type

Invention Patent

Filing

05/21/1981

Publication

04/06/1982

PCT

US1981000681

Progress at the INPI

  1. Filing05/21/81
  2. Publication04/06/82
  3. Abandoned01/17/84
  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: 07/30/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Donaldson Company, Inc.

US

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Inventors

B. L. (pessoa física)

Technical data

IPC Classification

Priority claims

US

153.176 · 05/27/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

07/30/1985

RPI 771

Exigência - art. 36 da LPI

#6.1

11/20/1984

RPI 735

Solicitação de exame técnico

#4.1

01/17/1984

RPI 691

Notificação de entrada na fase nacional - PCT

#1.3

04/06/1982

RPI 598

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