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Official data from INPI

PROCESSO APERFEIÇOADO DE PREPARAÇÃO DE MATERIA PRIMA PARA O PROCESSAMENTO EM FORNOS DE PELOTIZAÇÃO

ConcedidaInvention Patent

Application data

Number

PI7908114

Type

Invention Patent

Filing

12/12/1979

Publication

-

Progress at the INPI

  1. Filing12/12/79
  2. Publication
  3. Examination
  4. Allowance05/14/85
  5. Grant12/31/85
  6. Terminated01/28/92

The patent was granted on 12/31/1985 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: 12/31/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. D. (pessoa física)

MG, BR

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Inventors

B. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/31/1985

RPI 793

Notificação para pagamento de retribuição

#13.1

09/03/1985

RPI 776

Deferimento

#9.1

05/14/1985

RPI 760

Exigência - art. 36 da LPI

#6.1

11/06/1984

RPI 733

Exigência - art. 36 da LPI

#6.1

06/05/1984

RPI 711

Republicação - classificação IPC

#15.11

05/02/1984

RPI 706

Republicação - classificação IPC

#15.11

02/07/1984

RPI 694

Exigência - art. 36 da LPI

#6.1

10/11/1983

RPI 677

Anuidade - prazo legal encerrado

#18.2

01/28/1992

RPI 1104

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