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Official data from INPI

APARELHO E PROCESSO DE FUNDICAO CONTINUA DE FIOS METALICOS,A ALTA VELOCIDADE

Em AnáliseInvention Patent

Application data

Number

PI7904844

Type

Invention Patent

Filing

07/28/1978

Publication

-

Progress at the INPI

  1. Filing07/28/78
  2. Publication
  3. Examination01/12/82
  4. Allowance09/27/83
  5. Grant04/24/84
  6. Terminated07/12/88

The patent was granted on 04/24/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KENNECOTT COPPER CORP

Inventors

B. T. (pessoa física)

R. M. (pessoa física)

S. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Concessão da patente

#16.1

04/24/1984

RPI 705

Notificação para pagamento de retribuição

#13.1

01/17/1984

RPI 691

14.4

01/10/1984

RPI 690

Deferimento

#9.1

09/27/1983

RPI 675

Exigência - art. 36 da LPI

#6.1

02/16/1983

RPI 643

Solicitação de exame técnico

#4.1

01/12/1982

RPI 586

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