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Official data from INPI

CONJUNTO PORTA-ELTRODO.

ConcedidaInvention Patent

Application data

Number

PI8106568

Type

Invention Patent

Filing

10/09/1981

Publication

05/17/1983

Progress at the INPI

  1. Filing10/09/81
  2. Publication05/17/83
  3. Examination09/20/83
  4. Allowance10/09/84
  5. Grant04/30/85
  6. In force10/09/01

The patent was granted on 04/30/1985 and is in force until 10/09/2001. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:10/09/2001

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Latest action published by the INPI: 04/30/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Elkem A/S

NO

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Inventors

E. K. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/30/1985

RPI 758

Notificação para pagamento de retribuição

#13.1

02/20/1985

RPI 748

Deferimento

#9.1

10/09/1984

RPI 729

Exigência - art. 36 da LPI

#6.1

04/10/1984

RPI 703

Solicitação de exame técnico

#4.1

09/20/1983

RPI 674

Publicação do pedido de patente

#3.1

05/17/1983

RPI 656

Pedido de patente depositado

#2.1

11/24/1981

RPI 579

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