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Official data from INPI

DISPOSITIVO PARA TRATAMENTO TERMICO DE PRODUTOS GRANULARES E PROCESSO CONTINUO DE SECAGEM DE ELEMENTOS AGLOMERADOS

Em AnáliseInvention Patent

Application data

Number

PI8003290

Type

Invention Patent

Filing

05/28/1979

Publication

-

Progress at the INPI

  1. Filing05/28/79
  2. Publication
  3. Examination03/22/83
  4. Allowance05/08/84
  5. Grant11/27/84
  6. Terminated06/21/88

The patent was granted on 11/27/1984 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: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. I. (pessoa física)

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Inventors

M. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/21/1988

RPI 922

Concessão da patente

#16.1

11/27/1984

RPI 736

Notificação para pagamento de retribuição

#13.1

09/04/1984

RPI 724

Deferimento

#9.1

05/08/1984

RPI 707

Exigência - art. 36 da LPI

#6.1

10/04/1983

RPI 676

Solicitação de exame técnico

#4.1

03/22/1983

RPI 648

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