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Official data from INPI

APARELHO E PROCESSO PARA CARRAGAR UMA FORNALHA

ConcedidaInvention Patent

Application data

Number

PI8202384

Type

Invention Patent

Filing

04/26/1982

Publication

04/05/1983

Progress at the INPI

  1. Filing04/26/82
  2. Publication04/05/83
  3. Examination08/30/83
  4. Allowance01/15/85
  5. Grant07/30/85
  6. Terminated07/18/95

The patent was granted on 07/30/1985 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: 07/30/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Elkem A/S.

NO

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Inventors

K. E. (pessoa física)

NO

Technical data

IPC Classification

Priority claims

NO

811425 · 04/27/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/30/1985

RPI 771

Notificação para pagamento de retribuição

#13.1

05/07/1985

RPI 759

Deferimento

#9.1

01/15/1985

RPI 743

Exigência - art. 36 da LPI

#6.1

07/10/1984

RPI 716

Solicitação de exame técnico

#4.1

08/30/1983

RPI 671

Publicação do pedido de patente

#3.1

04/05/1983

RPI 650

Pedido de patente depositado

#2.1

06/15/1982

RPI 608

Anuidade - prazo legal encerrado

#18.2

07/18/1995

RPI 1285

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