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Official data from INPI

PROCESSO E SISTEMA PARA CONTROLAR UM PROCESSO DE ADSORÇÃO POR VARIAÇÃO DE VÁCUO.

ArquivadaInvention Patent
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Application data

Number

PI8304889

Type

Invention Patent

Filing

09/08/1983

Publication

04/24/1984
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Progress at the INPI

  1. Filing09/08/83
  2. Publication04/24/84
  3. Abandoned07/10/84
  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: 04/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

AIR PRODUCTS AND CHEMICALS, INC.

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Inventors

E. B. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Priority claims

US

416,433 · 09/09/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

04/25/1989

RPI 966

Exigência - art. 36 da LPI

#6.1

09/27/1988

RPI 936

Exigência - art. 36 da LPI

#6.1

09/03/1985

RPI 776

Solicitação de exame técnico

#4.1

07/10/1984

RPI 716

Publicação do pedido de patente

#3.1

04/24/1984

RPI 705

Pedido de patente depositado

#2.1

11/08/1983

RPI 681

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