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Official data from INPI

CONTROLADOR DE CHAVE DE REVERSAO

Em AnáliseInvention Patent
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Application data

Number

PI7702593

Type

Invention Patent

Filing

04/27/1976

Publication

-
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Progress at the INPI

  1. Filing04/27/76
  2. Publication
  3. Examination
  4. Allowance10/13/82
  5. Grant05/31/83
  6. Terminated12/08/87

The patent was granted on 05/31/1983 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: 12/08/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HAIGH ENG CO LTD

Inventors

H. D. (pessoa física)

Technical data

IPC Classification

H01H 3/12

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

12/08/1987

RPI 894

Concessão da patente

#16.1

05/31/1983

RPI 658

Notificação para pagamento de retribuição

#13.1

02/16/1983

RPI 643

Deferimento

#9.1

10/13/1982

RPI 625

Exigência - art. 36 da LPI

#6.1

07/06/1982

RPI 611

Exigência - art. 36 da LPI

#6.1

04/06/1982

RPI 598

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