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Official data from INPI

Forno de arco voltáico basculável.

Em AnáliseInvention Patent

Application data

Number

PI8106467

Type

Invention Patent

Filing

10/07/1981

Publication

06/22/1982

Progress at the INPI

  1. Filing10/07/81
  2. Publication06/22/82
  3. Examination08/17/82
  4. Allowance01/24/84
  5. Grant07/31/84
  6. Terminated02/04/92

The patent was granted on 07/31/1984 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: 09/06/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BBC Brown, Boveri & Company Limited

CH

See this company's full portfolio

Inventors

K. B. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

CH

7540/80-6 · 10/09/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

18.8

09/06/1988

RPI 933

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Concessão da patente

#16.1

07/31/1984

RPI 719

Notificação para pagamento de retribuição

#13.1

05/02/1984

RPI 706

Deferimento

#9.1

01/24/1984

RPI 692

Solicitação de exame técnico

#4.1

08/17/1982

RPI 617

Publicação do pedido de patente

#3.1

06/22/1982

RPI 609

Pedido de patente depositado

#2.1

11/24/1981

RPI 579

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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