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Official data from INPI

GERADOR DE VAPOR ELÉTRICO

ConcedidaInvention Patent

Application data

Number

PI8400554

Type

Invention Patent

Filing

02/09/1984

Publication

06/25/1985

Progress at the INPI

  1. Filing02/09/84
  2. Publication06/25/85
  3. Examination07/28/87
  4. Allowance09/27/88
  5. Grant09/26/89
  6. Terminated09/12/95

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.

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Latest action published by the INPI: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Sulzer Brothers Ltd.

CH

See this company's full portfolio

Inventors

D. K. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

CH

6177/83 · 11/17/1983

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

01/10/1989

RPI 951

Deferimento

#9.1

09/27/1988

RPI 936

Exigência - art. 36 da LPI

#6.1

03/29/1988

RPI 910

Solicitação de exame técnico

#4.1

07/28/1987

RPI 875

Publicação do pedido de patente

#3.1

06/25/1985

RPI 766

Pedido de patente depositado

#2.1

04/24/1984

RPI 705

Anuidade - prazo legal encerrado

#18.2

09/12/1995

RPI 1293

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