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Official data from INPI

PROCESSO PARA PRODUZIR PEÇAS FUNDIDAS DE AÇO POR FUNDIÇÃO CONTÍNUA

ConcedidaInvention Patent

Application data

Number

PI8102004

Type

Invention Patent

Filing

04/02/1981

Publication

10/06/1981

Progress at the INPI

  1. Filing04/02/81
  2. Publication10/06/81
  3. Examination01/26/82
  4. Allowance11/26/85
  5. Grant06/24/86
  6. Terminated09/25/90

The patent was granted on 06/24/1986 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: 06/24/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Kobe Steel, Ltd.

JP

See this company's full portfolio

Inventors

K. A. (pessoa física)

K. N. (pessoa física)

T. M. (pessoa física)

Technical data

IPC Classification

Priority claims

JP

55-43339 · 04/02/1980

JP

55-43340 · 04/02/1980

JP

55-43341 · 04/02/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/24/1986

RPI 818

Notificação para pagamento de retribuição

#13.1

04/15/1986

RPI 808

Deferimento

#9.1

11/26/1985

RPI 788

Exigência - art. 36 da LPI

#6.1

03/05/1985

RPI 750

Solicitação de exame técnico

#4.1

01/26/1982

RPI 588

Publicação do pedido de patente

#3.1

10/06/1981

RPI 572

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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