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Official data from INPI

CONVERSOR PARA A FABRICAÇÀO DE AÇO

ConcedidaInvention Patent

Application data

Number

PI8307731

Type

Invention Patent

Filing

06/29/1983

Publication

06/04/1985

Progress at the INPI

  1. Filing06/29/83
  2. Publication06/04/85
  3. Examination11/26/85
  4. Allowance12/13/88
  5. Grant09/26/89
  6. Terminated05/30/95

The patent was granted on 09/26/1989 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Nauchno-Proizvodstvennoe Obiedinenie "Tulachermet"

SU

Inventors

A. Z. (pessoa física)

RU

A. M. (pessoa física)

SU

B. K. (pessoa física)

SU

G. K. (pessoa física)

SU

V. K. (pessoa física)

SU

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

04/25/1989

RPI 966

Deferimento

#9.1

12/13/1988

RPI 947

Solicitação de exame técnico

#4.1

11/26/1985

RPI 788

Notificação de entrada na fase nacional - PCT

#1.3

06/04/1985

RPI 763

Anuidade - prazo legal encerrado

#18.2

05/30/1995

RPI 1278

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