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Official data from INPI

DISPOSITIVO PARA MARCAR

ConcedidaInvention Patent

Application data

Number

PI7804082

Type

Invention Patent

Filing

06/27/1977

Publication

-

Progress at the INPI

  1. Filing06/27/77
  2. Publication
  3. Examination
  4. Allowance09/08/82
  5. Grant04/26/83
  6. Terminated09/18/90

The patent was granted on 04/26/1983 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: 04/26/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KOBE STEEL LTD

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Inventors

E. F. (pessoa física)

K. K. (pessoa física)

N. T. (pessoa física)

W. H. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/26/1983

RPI 653

Notificação para pagamento de retribuição

#13.1

01/11/1983

RPI 638

Deferimento

#9.1

09/08/1982

RPI 620

15.0

05/11/1982

RPI 603

Exigência - art. 36 da LPI

#6.1

03/09/1982

RPI 594

Anuidade - prazo legal encerrado

#18.2

09/18/1990

RPI 1033

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