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Official data from INPI

PROCESSO DE CONDICIONAMENTO DE ESCÓRIA NO DECURSO DA AFINAÇÃO DE BANHO DE METAL.

ConcedidaInvention Patent

Application data

Number

PI8007220

Type

Invention Patent

Filing

11/06/1980

Publication

-

Progress at the INPI

  1. Filing11/06/80
  2. Publication
  3. Examination08/03/82
  4. Allowance02/14/84
  5. Grant09/25/84
  6. Expired12/26/95

The letters patent expired on 12/26/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/25/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Arbed S.A.

LU

ARBED S.A.

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Inventors

B. J. (pessoa física)

G. F. (pessoa física)

H. R. (pessoa física)

L. L. (pessoa física)

S. F. (pessoa física)

Technical data

IPC Classification

Priority claims

LU

81.859 · 11/07/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/25/1984

RPI 727

Notificação para pagamento de retribuição

#13.1

06/05/1984

RPI 711

Deferimento

#9.1

02/14/1984

RPI 695

Solicitação de exame técnico

#4.1

08/03/1982

RPI 615

Carta-patente expirada

#21.1

12/26/1995

RPI 1308

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