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Official data from INPI

COLUNA DE LEITO MOVEL PARA RESINAS TROCADORAS DE IONS

Em AnáliseInvention Patent
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Application data

Number

PI8002064

Type

Invention Patent

Filing

04/02/1980

Publication

10/06/1981
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Progress at the INPI

  1. Filing04/02/80
  2. Publication10/06/81
  3. Examination
  4. Allowance07/09/85
  5. Grant02/25/86
  6. Terminated05/16/89

The patent was granted on 02/25/1986 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 05/16/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

IPEN SAO PAULO INST PESQUISAS [BR]

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Inventors

J. F. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/16/1989

RPI 969

Concessão da patente

#16.1

02/25/1986

RPI 801

Notificação para pagamento de retribuição

#13.1

11/12/1985

RPI 786

Deferimento

#9.1

07/09/1985

RPI 768

Republicação - classificação IPC

#15.11

07/02/1985

RPI 767

Exigência - art. 36 da LPI

#6.1

10/23/1984

RPI 731

Exigência - art. 36 da LPI

#6.1

01/24/1984

RPI 692

Solicitação de exame não realizada

#4.2

06/29/1982

RPI 610

Publicação do pedido de patente

#3.1

10/06/1981

RPI 572

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