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Official data from INPI

PROCESSO DE FABRICACAO DE PELOTAS SINTERIZADAS DE MINERIO DE FERRO BASICO RESISTENTES, EM UM APARELHO DE SINTERIZACAO DE ESTEIRAS

ConcedidaInvention Patent

Application data

Number

PI8000698

Type

Invention Patent

Filing

02/06/1979

Publication

-

Progress at the INPI

  1. Filing02/06/79
  2. Publication
  3. Examination11/23/82
  4. Allowance07/10/84
  5. Grant01/29/85
  6. Terminated02/11/92

The patent was granted on 01/29/1985 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: 01/29/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

LUOSSAVAARA KIIRUNAVAARA AB

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Inventors

B. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

01/29/1985

RPI 745

Notificação para pagamento de retribuição

#13.1

10/23/1984

RPI 731

Deferimento

#9.1

07/10/1984

RPI 716

Exigência - art. 36 da LPI

#6.1

10/11/1983

RPI 677

Solicitação de exame técnico

#4.1

11/23/1982

RPI 631

Anuidade - prazo legal encerrado

#18.2

02/11/1992

RPI 1106

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