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Official data from INPI

APERFEIÇOAMENTO EM SISTEMA COMBINADO COM UM FORNO ANULAR CONTÍNUA PARA COZIMENTO E RE-COZIMENTO DE CORPOS DE CARBONO.

Em AnáliseInvention Patent

Application data

Number

PI8000700

Type

Invention Patent

Filing

02/05/1980

Publication

-

Progress at the INPI

  1. Filing02/05/80
  2. Publication
  3. Examination12/21/82
  4. Allowance03/20/84
  5. Grant09/25/84
  6. Terminated06/21/88

The patent was granted on 09/25/1984 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: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. A. (pessoa física)

Inventors

C. G. (pessoa física)

F. R. (pessoa física)

G. J. (pessoa física)

P. P. (pessoa física)

Technical data

IPC Classification

Priority claims

IT

47898 A/79 · 02/05/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/21/1988

RPI 922

Concessão da patente

#16.1

09/25/1984

RPI 727

Notificação para pagamento de retribuição

#13.1

07/17/1984

RPI 717

Deferimento

#9.1

03/20/1984

RPI 700

Exigência - art. 36 da LPI

#6.1

08/30/1983

RPI 671

Solicitação de exame técnico

#4.1

12/21/1982

RPI 635

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