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Official data from INPI

PROCESSO DE MISTURA NUN FORNO DE CIMENTO POR VIA ÚMIDA.

Em AnáliseInvention Patent

Application data

Number

PI7906968

Type

Invention Patent

Filing

10/25/1989

Publication

-

Progress at the INPI

  1. Filing10/25/89
  2. Publication
  3. Examination09/27/83
  4. Allowance02/12/85
  5. Grant08/27/85
  6. Terminated06/14/88

The patent was granted on 08/27/1985 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: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. G. (pessoa física)

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Inventors

G. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/14/1988

RPI 921

Concessão da patente

#16.1

08/27/1985

RPI 775

Notificação para pagamento de retribuição

#13.1

05/28/1985

RPI 762

Deferimento

#9.1

02/12/1985

RPI 747

Exigência - art. 36 da LPI

#6.1

03/20/1984

RPI 700

Solicitação de exame técnico

#4.1

09/27/1983

RPI 675

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