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Official data from INPI

GERADOR ELÉTRICO REVERSÍVEL COM ÍMÃ PERMANENTE.

ConcedidaInvention Patent

Application data

Number

PI8206740

Type

Invention Patent

Filing

11/22/1982

Publication

10/04/1983

Progress at the INPI

  1. Filing11/22/82
  2. Publication10/04/83
  3. Examination12/31/85
  4. Allowance10/06/87
  5. Grant04/26/88
  6. Terminated10/16/90

The patent was granted on 04/26/1988 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: 04/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Grau Limited

GB

See this company's full portfolio

Inventors

W. W. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

8135844 · 11/27/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/26/1988

RPI 914

Notificação para pagamento de retribuição

#13.1

02/09/1988

RPI 903

Deferimento

#9.1

10/06/1987

RPI 885

Exigência - art. 36 da LPI

#6.1

10/29/1986

RPI 836

Solicitação de exame técnico

#4.1

12/31/1985

RPI 793

Publicação do pedido de patente

#3.1

10/04/1983

RPI 676

Pedido de patente depositado

#2.1

01/11/1983

RPI 638

Anuidade - prazo legal encerrado

#18.2

10/16/1990

RPI 1037

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