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Official data from INPI

SISTEMA DE SEPARACAO DE GAS DO TIPO PENEIRA MOLECULAR

ArquivadaInvention Patent
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Application data

Number

PI8401454

Type

Invention Patent

Filing

03/31/1983

Publication

11/06/1984
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Progress at the INPI

  1. Filing03/31/83
  2. Publication11/06/84
  3. Abandoned12/09/86
  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: 01/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

NORMALAIR GARRETT LTD [GB]

Inventors

H. S. (pessoa física)

T. C. (pessoa física)

Technical data

IPC Classification

B64D 13/02

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

01/17/1989

RPI 952

6.2

06/28/1988

RPI 923

Solicitação de exame técnico

#4.1

12/09/1986

RPI 842

3.4

12/18/1984

RPI 739

Publicação do pedido de patente

#3.1

11/06/1984

RPI 733

Pedido de patente depositado

#2.1

06/12/1984

RPI 712

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