Official data from INPI

BASE DE MONTAGEM PARA UM REFINADOR DE DISCO

Em AnáliseInvention Patent

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Application data

Number

PI7702368

Type

Invention Patent

Filing

04/15/1976

Publication

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Progress at the INPI

Filing04/15/76
Publication
Examination
Allowance06/22/82
Grant
Terminated08/20/85

The patent was granted 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: 08/20/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ENSO GUTZEIT OY

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Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

08/20/1985

RPI 774

Cessão de direito de exploração

#22.1

12/04/1984

RPI 737

22.9

02/22/1983

RPI 644

Notificação para pagamento de retribuição

#13.1

10/05/1982

RPI 624

Deferimento

#9.1

06/22/1982

RPI 609

From the same holder

PROCESSO E APARELHO PARA LAVAGEM DE CELULOSE FILTRO A PRESSAO APERFEICOAMENTO EM UM PROCESSO PARA PURIFICACAO DE AGUA DE REJEITO DISPOSITIVO DE HIDROCICLONE APERFEICOAMENTO EM FILTRO DE DISCO HIDROCICLONE REFINADOR DE DISCO

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